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压力
释义
压力
Encyclopedia
理学
力学
释
pressure
压力
物体间由于相互挤压而垂直作用在物体表面上的力。
理学
﹝流体的基本物性﹞
释
pressure
压力
在力学和多数工程学科中习惯使用的概念，与物理学中的压强同义。是垂直作用在物体单位面积上的一种力。它存在于固体、液体和气体的内部，或流体与固壁之间，固体与固体相接触的界面上。压力的一个特点是：它的作用方向与作用面积垂直并与作用面积的外法线方向相反。
Physics
力学
pressure
压力
pressure
①压强 ②压力
Mathematics
pressure
压力
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