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[几何] 所滚过的轨迹

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青青子衿 posted 2013-12-6 20:38 |Read mode
如图所示的两个大小相等的圆外切,且两圆所在的平面相互垂直。
搜狗截图20131206203556.jpg
试求两圆在平面所滚过的轨迹以及所滚过一周的体积!

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original poster 青青子衿 posted 2013-12-6 20:40
回复 1# 青青子衿
搜狗截图20131206203904.png 搜狗截图20131206203918.png 搜狗截图20131206203933.png

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original poster 青青子衿 posted 2014-1-19 20:59

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三尺水 posted 2016-5-27 20:59

两个轨迹

圆都是半径1   两个圆的是垂直连接,一个圆的是一端与地面距离1.求两个问题的地面轨迹方程,并画出来 01 (1).gif

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三尺水 posted 2016-5-28 09:30
问题太难,不会有人发言了

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realnumber posted 2016-5-28 09:35
你的图做得很棒...,

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hbghlyj posted 2025-4-12 09:22
我刚才也作出了轨迹

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