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 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。
When the float upward force and float suffered gravity, buoyancy and viscous forces of the force equal to three when the float is in equilibrium.
当浮子上升的力与浮子所受的重力、浮力及粘性力三者的合力相等时，浮子处于平衡状态。
In this transitional zone, hot water activity is very strong and the gravity field is not in isostatic equilibrium.
在这一过渡带内水热活动剧烈，重力也不均衡。
In this transitional zone, hot water activity is very strong and the gravity field is not in isostatic equilibrium.
在这一过渡带内水热活动剧烈，重力也不均衡。
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