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2Â¥: Originally posted by 001gqs at 2016-05-12 15:16:57
ÿ¼Óһά£¬½«sin(theta) »»³ÉÁ½¸ö
sin(theta)cos(theta')ºÍsin(theta)sin(theta')£¬
ÕâÑù¾ÍµÃµ½ÁËÈÎÒâάµÄ×ø±ê±íʾ¡£
±ÈÈç¶þάÇòÃæx=rcos(theta),y= rsin(theta).
ÈýάÇòÃæx=rcos(theta),y= rsin(theta)cos(phi ...

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