The net effect on the piston of all these small irregular forces must be equal to that of the force of gravity if there is to be equilibrium.
假使两方面保持平衡,那么所有这些小的不规则的力对活塞的有效作用必须与重力相等。
The gravity model has offered the frame of a general equilibrium, experimental, easy to grasp.
引力模型提供了一个实验性的、易于掌握的、一般均衡的框架。
The equilibrium between gravity of the upper impermeable stratum and water pressure is a common calculation method for anti-uprush of foundation pit.
在基坑抗突涌分析中,用上覆土层的重力来平衡水压力是一种常用的计算方法。
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