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xzhdty(½ð±Ò+1): лл²ÎÓë 2011-06-27 10:02:44
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Originally posted by xxppyy at 2011-06-27 00:11:40:
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xxppyy(½ð±Ò+5): лл¹Ø×¢. 2011-06-26 21:37:34
xzhdty(½ð±Ò+2): ³£À´³ÌÐòÓïÑÔ°æ²ÎÓëÌÖÂÛ 2011-06-26 23:08:37
Evaluate[Integrate[
    r^2 Sin[\[Phi]], {r, -Subscript[R, 0] Sec[\[Phi]] Tan[\[Beta]],
     c/(b Sin[\[Phi]] Cos[\[Theta]] - Cos[\[Phi]])}, {\[Phi],
     Pi/2 + \[Beta], Pi}, {\[Theta], 0, 2 Pi}]] /. {b -> Tan[\[Beta]],
    c -> Subscript[R, 0] (Tan[\[Alpha]] + Tan[\[Beta]])} // Simplify
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2Â¥2011-06-26 20:45:53
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dubo(½ð±Ò+1): »¶Ó­³£À´³ÌÐòÓïÑÔ°æÌÖÂÛ 2011-06-29 22:26:52
ÒýÓûØÌû:
Originally posted by xiaoqing8569 at 2011-06-26 20:45:53:
Evaluate[Integrate[
    r^2 Sin[\[Phi]], {r, -Subscript[R, 0] Sec[\[Phi]] Tan[\[Beta]],
     c/(b Sin[\[Phi]] Cos[\[Theta]] - Cos[\[Phi]])}, {\[Phi],
     Pi/2 + \[Beta], Pi}, {\[Theta], 0, 2  ...

µ«ÊÇ»ý·Ö½á¹ûÖв»Ó¦¸Ãº¬ÓÐ \[Phi] ѽ£¬\[Phi] ÊÇÆäÖÐÒ»¸ö»ý·Ö±äÁ¿¡£
3Â¥2011-06-26 21:41:11
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xxppyy(½ð±Ò+2): ÄúÓõÄMathematicaÊÇÄÄÒ»°æ±¾£¿ 2011-06-27 00:07:43
jjdg(½ð±Ò+1): ¸ÐлӦÖú 2011-06-27 02:56:33
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Evaluate[Integrate[
   r^2 Sin[\[Phi]], {\[Theta], 0, 2 Pi}, {\[Phi], Pi/2 + \[Beta],
    Pi}, {r, -Subscript[R, 0] Sec[\[Phi]] Tan[\[Beta]],
    c/(b Sin[\[Phi]] Cos[\[Theta]] - Cos[\[Phi]])}]] /. {b ->
   Tan[\[Beta]], c -> Subscript[R, 0] (Tan[\[Alpha]] + Tan[\[Beta]])}
4Â¥2011-06-26 23:31:22
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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