positive friction force的意思|示意
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正摩擦力
positive friction force的网络常见释义
正摩阻力 ...正摩阻力；负摩阻力 [gap=1536] geotechnical engineering; long-short-pile; finite element method; axial force; positive friction force; negative friction force ..
positive friction force相关例句
It is pointed out that translational kinetic energy and rotational kinetic energy mutually transferred by sliding friction force, but it only has positive acting.
讨论滑动摩擦力作功，说明了滑动摩擦力可以使刚体的平动动能和转动动能之间相互转换，但总是作负功。