http://blog.china.com:80/u/080311/123461/ ltbbl ltbbl ltbbl http://blog.china.com:80/u/080311/123461/200808/3574389.html <![CDATA[ <DIV> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">波速的横向效应</SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">逆风声速和顺风声速的比例中项，称为横向声速，横向声速现象称为声速的横向效应。类似声速的横向效应也有波速的横向效应，观察静水直线航行的船舷波</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">(</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">垂直于船速方向</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，可以发现，当船速为零时船舷波速最大，随着船速增加而減小，直至到零。此现象可提升为横向波速有限原理，或波速的横向效应。</SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P></DIV>]]> 星期四, 21 八月 2008 08:55:00 GMT http://blog.china.com:80/u/080311/123461/200808/3574389.html 2008-08-21T08:55:00Z http://blog.china.com:80/u/080311/123461/200808/3535777.html <![CDATA[ <DIV> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 120.75pt; mso-char-indent-count: 11.5"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>横向声速和风速的关系</FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 26.25pt; mso-char-indent-count: 2.5"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>声速有逆风声速和顺风声速，即</FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>C<SUB>1</SUB> = c<SUB>0</SUB> – V <SPAN style="mso-spacerun: yes">&nbsp;&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;</SPAN>c<SUB>2</SUB> = c<SUB>0</SUB> + V<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>(1)</FONT></FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">C<SUB>1</SUB></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">c<SUB>2</SUB></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的等比例中项，即</SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>C^2 = C<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv UnitName="C" SourceValue="1" HasSpace="True" Negative="False" NumberType="1" TCSC="0" w:st="on"><SUB>1</SUB> c</st1:chmetcnv><SUB>2</SUB><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>(2)</FONT></FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可称为横向声速，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">c<SUB>0</SUB></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可称为无风声速或总声速，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">是风速。</SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P></DIV>]]> 星期三, 13 八月 2008 00:49:02 GMT http://blog.china.com:80/u/080311/123461/200808/3535777.html 2008-08-13T00:49:02Z http://blog.china.com:80/u/080311/123461/200807/3419710.html <![CDATA[ <DIV> <P><FONT size=3>时空物</FONT></P> <P><FONT size=3>时是物的变化，空是物的体积，物是客观存在。</FONT></P></DIV>]]> 星期六, 19 七月 2008 01:57:31 GMT http://blog.china.com:80/u/080311/123461/200807/3419710.html 2008-07-19T01:57:31Z http://blog.china.com:80/u/080311/123461/200806/2915035.html <![CDATA[ <DIV> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>物质空间相对论即是物质体积压缩论</FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>物质空间相对论就是可压缩流体论，或流体不变论。流体体积的可压缩性就是流体空间的相对性。物质空间相对论即是物质体积压缩论</FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P></DIV>]]> 星期六, 28 六月 2008 07:19:53 GMT http://blog.china.com:80/u/080311/123461/200806/2915035.html 2008-06-28T07:19:53Z http://blog.china.com:80/u/080311/123461/200806/2741781.html <![CDATA[ <DIV> <P><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>多普勒效应公式</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P> <P><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>由时间相对性公式</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> <o:p></o:p></SPAN></P> <P><SPAN style="FONT-SIZE: 11pt"><FONT face=宋体>△</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana; mso-bidi-font-family: Verdana">t = </SPAN><SPAN style="FONT-SIZE: 11pt"><FONT face=宋体>△</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana; mso-bidi-font-family: Verdana">t</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">0</SPAN></SUB><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> / (1 - V<SUP>2</SUP> / c<SUP>2</SUP> ) <SUP>1/2</SUP>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (1) <o:p></o:p></SPAN></P> <P><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>式中</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> <o:p></o:p></SPAN></P> <P><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 11pt"><FONT face=宋体>△</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana; mso-bidi-font-family: Verdana">t -- </SPAN><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>时间间隔</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> <o:p></o:p></SPAN></P> <P><SPAN style="FONT-SIZE: 11pt"><FONT face=宋体>△</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana; mso-bidi-font-family: Verdana">t</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">0</SPAN></SUB><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> </SPAN><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>－</FONT></SPAN><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> </SPAN><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>原时间隔</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> <o:p></o:p></SPAN></P> <P><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">V </SPAN><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>－</FONT></SPAN><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> </SPAN><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>坐标系运动速度</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> <o:p></o:p></SPAN></P> <P><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">C </SPAN><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>－</FONT></SPAN><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"> </SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">真空中光速（真空介质静止时的不变光速）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P> <P><FONT face=宋体><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">得到</SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P> <P><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">&nbsp;&nbsp;&nbsp;&nbsp; <SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN>ν = ν<SUB>0 </SUB>(1 - V<SUP>2</SUP> / c<SUP>2</SUP> ) <SUP>1/2</SUP>&nbsp;<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>（</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">2</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P> <P><FONT face=宋体><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">式中</SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P> <P><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN>ν = 1/</SPAN><SPAN style="FONT-SIZE: 11pt"><FONT face=宋体>△</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana; mso-bidi-font-family: Verdana">t<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN>(3)<o:p></o:p></SPAN></P> <P><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana; mso-bidi-font-family: Verdana"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">ν<SUB>0 </SUB>= 1/</SPAN><SPAN style="FONT-SIZE: 11pt"><FONT face=宋体>△</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana; mso-bidi-font-family: Verdana">t</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">0</SPAN></SUB><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>(4)<o:p></o:p></SPAN></P> <P><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>式（</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana">2</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 11pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">）就是多普勒效应公式。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P></DIV>]]> 星期二, 03 六月 2008 05:25:26 GMT http://blog.china.com:80/u/080311/123461/200806/2741781.html 2008-06-03T05:25:26Z http://blog.china.com:80/u/080311/123461/200805/2706580.html <![CDATA[ <DIV> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">总光速不变原理与真空介质！</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR>&nbsp;</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">相对时间，相对光速是可变的；固有时间，固有光速是不变的，即</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR>&nbsp;c</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">’</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman">&nbsp;&#8710;t&nbsp;=&nbsp;c</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">τ</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman">&nbsp;=L=&nbsp;</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">常数</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman">&nbsp;</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">式中</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR>&nbsp;c</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">’——相对光速（可变光速）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR>&nbsp;&#8710;t</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">——相对时间</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR>c</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">——固有光速（不变光速）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">τ——固有时间（原时间隔）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR>L</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">——固有距离</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">从式（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）可知，相对光速，固有光速；相对时间，固有时间是成对出现的。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman">L</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">为常数，可称为固有距离不变原理，它和光源与观察者的相对运动无关。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><FONT face="Times New Roman"> <BR>&nbsp;</FONT></SPAN><SPAN style="FONT-SIZE: 8.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可变光速，能从洛伦兹变换公式中导出，而洛伦兹变换公式是依光速不变原理得到的，可见不变光速和可变光速处于共存状态。不过，不变光速应改称为总光速或固有光速。不变光速应改称为总光速，光速不变原理，应改称为总光速不变原理（见流体不变论）。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P> <P><FONT face=宋体><SPAN lang=EN-US style="FONT-SIZE: 8.5pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">真空介质静止时的不变光速称为总光速 <SPAN lang=EN><o:p></o:p></SPAN></SPAN></FONT></P> <P><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN"><FONT face=宋体>没有可变光速就没有时间相对性<SPAN lang=EN> <o:p></o:p></SPAN></FONT></SPAN></P> <P><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN"><FONT face=宋体>由时间相对性公式<SPAN lang=EN> <o:p></o:p></SPAN></FONT></SPAN></P> <P><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN"><FONT face=宋体>△<SPAN lang=EN>t = </SPAN>△<SPAN lang=EN>t<SUB>0</SUB> / (1 - V<SUP>2</SUP> / c<SUP>2</SUP> ) <SUP>1/2</SUP>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (1) <o:p></o:p></SPAN></FONT></SPAN></P> <P><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN"><FONT face=宋体>式中<SPAN lang=EN> <o:p></o:p></SPAN></FONT></SPAN></P> <P><FONT face=宋体><SPAN lang=EN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">△<SPAN lang=EN>t -- </SPAN>时间间隔<SPAN lang=EN> <o:p></o:p></SPAN></SPAN></FONT></P> <P><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN"><FONT face=宋体>△<SPAN lang=EN>t<SUB>0</SUB> </SPAN>－ 原时间隔<SPAN lang=EN> <o:p></o:p></SPAN></FONT></SPAN></P> <P><FONT face=宋体><SPAN lang=EN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">V </SPAN><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">－ 坐标系运动速度<SPAN lang=EN> <o:p></o:p></SPAN></SPAN></FONT></P> <P><FONT face=宋体><SPAN lang=EN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">C </SPAN><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">－ 真空中光速（真空介质静止时的不变光速）<SPAN lang=EN> <o:p></o:p></SPAN></SPAN></FONT></P> <P><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN"><FONT face=宋体>由式（<SPAN lang=EN>1</SPAN>）有<SPAN lang=EN> <o:p></o:p></SPAN></FONT></SPAN></P> <P><FONT face=宋体><SPAN lang=EN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; c<SUP>2</SUP> - V<SUP>2</SUP> = c</SPAN><SUP><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">ˋ<SPAN lang=EN>2</SPAN></SPAN></SUP><SPAN lang=EN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (2) <o:p></o:p></SPAN></FONT></P> <P><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN"><FONT face=宋体>式中<SPAN lang=EN> <o:p></o:p></SPAN></FONT></SPAN></P> <P><FONT face=宋体><SPAN lang=EN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">c</SPAN><SUP><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">ˋ</SPAN></SUP><SPAN lang=EN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN"> = C</SPAN><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN">△<SPAN lang=EN>t<SUB>0</SUB> /</SPAN>△<SPAN lang=EN>t -</SPAN>可变光速（真空介质流动时）<SPAN lang=EN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) <o:p></o:p></SPAN></SPAN></FONT></P> <P><SPAN style="FONT-SIZE: 7pt; COLOR: #003399; mso-ansi-language: EN"><FONT face=宋体>从等式（<SPAN lang=EN>3</SPAN>）可以看出，如果<SPAN lang=EN>c</SPAN><SUP>ˋ</SUP>不变，△<SPAN lang=EN>t</SPAN>就不可能变，即没有可变光速就没有时间相对性。<SPAN lang=EN> <o:p></o:p></SPAN></FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>场物质的可拖动性！</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>场物质或叫真空介质（以太）！</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>真空中的光速不变原理，爱因斯坦无法用坐标速度的数学式表述吗？只用文子描述，为什么？谁能回答？</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>真空介质可以有多种！例如：电场，磁场，引力场等皆是，它们在宇宙中是不均匀分布的，且它们之间还能互相作相对运动。</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>有了真空介质，真空中的光速不变原理，就可改成总光速不变原理，也就可把光速不变原理用数学表述出来。</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">真空介质可作为以太的代称。真空介质也可称为光传播媒质，或称真空场物质</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">(</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可作连续性假设的物质</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>真空介质是第五态物质！</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>场物质是可拖动的，只由它的场源拖动，一个场源只能拖动它自己的场物质！</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>真空介质是由无数个场源产生的场物质组成的。一个场源只能拖动它自己的场物质。真空介质（以太）是一个综合体，有着复杂的性质</FONT></SPAN></P></DIV>]]> 星期五, 30 五月 2008 05:49:43 GMT http://blog.china.com:80/u/080311/123461/200805/2706580.html 2008-05-30T05:49:43Z http://blog.china.com:80/u/080311/123461/200805/2611861.html <![CDATA[ <DIV> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 78.75pt; mso-char-indent-count: 7.5"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>没有可变光速就没有时间相对性</FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 26.25pt; mso-char-indent-count: 2.5"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>由时间相对性公式</FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 52.5pt; mso-char-indent-count: 5.0"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">△</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">t = </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">△</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">t<SUB>0 </SUB>/ (1 - V<SUP>2 </SUP>/ c<SUP>2 </SUP>) <SUP>1/2</SUP><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>(1)</FONT></SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>式中</FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 11.25pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">△</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">t </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">——</SPAN><FONT face="Times New Roman"> </FONT><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时间间隔</SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 11.25pt; TEXT-INDENT: 31.5pt; mso-char-indent-count: 3.0; mso-para-margin-left: 1.07gd"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">△</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">t<SUB>0 </SUB></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体">－ 原时间隔</SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 11.25pt; TEXT-INDENT: 31.5pt; mso-char-indent-count: 3.0; mso-para-margin-left: 1.07gd"><FONT size=3><SPAN lang=EN-US style="FONT-FAMILY: 宋体">V </SPAN><SPAN style="FONT-FAMILY: 宋体">－ 坐标系运动速度<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 11.25pt; TEXT-INDENT: 31.5pt; mso-char-indent-count: 3.0; mso-para-margin-left: 1.07gd"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman">C </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体">－ 真空中</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">光速</SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">由式（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）有</SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 11.25pt"><SPAN lang=EN-US><FONT face="Times New Roman"><FONT size=3><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>c<SUP>2</SUP> - V<SUP>2</SUP> = c</FONT></FONT></SPAN><FONT size=3><SUP><SPAN style="FONT-FAMILY: 宋体">ˋ<SPAN lang=EN-US>2</SPAN></SPAN></SUP><SPAN lang=EN-US style="FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>(2)<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>式中</FONT></SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 11.25pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman">c</FONT></SPAN><SUP><SPAN style="FONT-FAMILY: 宋体">ˋ</SPAN></SUP><SPAN lang=EN-US style="FONT-FAMILY: 宋体"> = </SPAN><SPAN lang=EN-US><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">△</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">t<SUB>0 </SUB>/</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">△</SPAN><SPAN lang=EN-US style="FONT-FAMILY: 宋体">t </SPAN><SPAN style="FONT-FAMILY: 宋体">—</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可变光速</SPAN><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>(3)</FONT></SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">从等式（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）可以看出，如果</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">c</FONT></SPAN><SUP><SPAN style="FONT-FAMILY: 宋体">ˋ</SPAN></SUP><SPAN style="FONT-FAMILY: 宋体">不变，</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">△</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">t</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">就不可能变，即没有可变光速就没有时间相对性。</SPAN></FONT></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P></DIV>]]> 星期五, 16 五月 2008 02:15:50 GMT http://blog.china.com:80/u/080311/123461/200805/2611861.html 2008-05-16T02:15:50Z http://blog.china.com:80/u/080311/123461/200805/2517165.html <![CDATA[ <DIV> <TABLE cellSpacing=0 cellPadding=0 width="95%" align=center border=0> <TBODY> <TR> <TD vAlign=top>光速不变原理和光速可变原理！ <BR>由 <BR>x = ct，x′ = ct′ （1） <BR>t′ = γ（t-ux/cc） （2） <BR>可得 <BR>x′ = ct′ = cγ（t-ux/cc） <BR>= γc（1-u/c）t = c′ t （3） <BR>式中 <BR>c′ =γc（1-u/c） ―可变光速 （4） <BR>u ―坐标速 <BR>c ―不变光速 <BR>γ = 1/（1-u^2/c^2）^(1/2) (5) <BR>光速不变原理和光速可变原理 <!--++ plugin_code qcomic begin --><!--++ plugin_code qcomic end --></TD></TR> <TR> <TD vAlign=bottom> <TABLE cellSpacing=0 cellPadding=0 border=0> <TBODY> <TR> <TD height=6></TD></TR></TBODY></TABLE> <TABLE width="70%"> <TBODY> <TR> <TD><BR>&nbsp; </TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></DIV>]]> 星期六, 03 五月 2008 08:20:10 GMT http://blog.china.com:80/u/080311/123461/200805/2517165.html 2008-05-03T08:20:10Z