shifting bed 中文意思是什麼
shifting bed
解釋
不穩定河床;動床-
The paper studied relations between academic inertial force graph in ellipse and experimental inertial force graph in " the 8 shape ", presented the inertial force experimental method through shifting cylinder in a testing bed on by a angle every time, the obtained graph and data represent inertial force principal parameters
摘要討論了曲柄連桿機構的理論慣性力曲線(力橢圓)和實驗慣性力曲線(力8字)的關系,提出在擺架上逐點偏移汽缸進行慣性力實驗的方法,得到的實驗慣性力曲線完全反映了慣性力的主要參數。 -
A bed of loose sand mixed with water forming a soft, shifting mass that yields easily to pressure and tends to engulf any object resting on its surface
流沙一種由鬆散的沙子和水混合成的沙層,形成一堆松軟、移動的物質,在壓力下很容易塌陷,並可吞沒置留在沙面上的任何物質
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