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圆柱体体积公式
更新时间: 2021-05-15 19:23:09  

1、V=πr²h,圆柱面去截旋转面,那么两个截面和旋转面所围成的几何体叫做圆柱,即圆柱体。

2、旋转定义法:一个长方形以一边为轴顺时针或逆时针旋转一周,所经过的空间叫做圆柱体。

3、平移定义法:以一个圆为底面,上或下移动一定的距离,所经过的空间叫做圆柱体。

关键词: 圆柱体 体积 公式

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