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怎样计算密度
更新时间: 2020-07-06 00:00:00  

用物体的质量除以体积。

密度是单位体积某种物质的质量,是表示物质在空间分布密集程度的物理量,是物质的一种特性。

关键词: 怎样 计算 密度

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