And so the total force on the system is simply the total force external.

作用于系统的合力是，所有的外力。

youdao

Under acting on commonly in all of these internal force external forces, at the beginning of the 20th century, the Chinese legal system has begun to modern transition.

在这些种种内力外力的共同作用下，20世纪初，中国法制开始了向近代的转型。

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Last year CalPERS changed its policy to force external money-managers to disclose whether they are using placement agents to solicit business and how much they are paying them.

去年加州公务员退休基金改变了其政策，即强制外部财政管理者公开他们是否雇佣承销商来招揽生意和其支付金额。

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So the force that you're pushing down on here is the external pressure times the area.

或者压缩功的概念,在活塞上施加压力。

麻省理工公开课 - 热力学与动力学课程节选

The problem occurs when external force causes a baby's head to take on an abnormal shape.

BBC: Molly Askam

While with effort the water can be pushed out of its puddles, when the external force is no longer applied, the water will re-puddle exactly as before.

WHITEHOUSE: Engage and Connect

It could be that being a risk-taker drives you to play more games, or that some external force makes you both play games AND be an unsafe driver.

FORBES: New Study Claims Gamers are More Unsafe Drivers