有限元法可以把桩与土体作为一个整体来考虑，切合实际地模拟抗滑桩与土体的相互作用状态，为设计和施工提供合理的依据。

Finite element method can consider piles and soil as a whole, practically simulate their interaction, and offer reasonable basis for design and construction.

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在清醒状态下，呼吸由两个相互作用的系统控制。

During wakefulness, breathing is controlled by two interacting systems.

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然而，这只是一个选择问题；我们可以使用交互作用或者状态机。

However, this was simply a matter of choice; we could have used an interaction or state machine.

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So what they do is, they're describing how these thermodynamic properties change, in terms of only state functions and state variables.

他们的作用是描述,随着状态函数和状态变量的变化，系统的热力性质如何变化。

麻省理工公开课 - 热力学与动力学课程节选

What makes the law surprising is that if I only gave you half the law, namely every body will remain at rest if it's not acted upon by a force, you will say, "That's fine. I accept that, because here's something, you leave it there, it doesn't move.

这条定律妙就妙在,如果只看定律的前半段,即,如果物体不受外力作用,将保持静止状态,你肯定会觉得,"这没什么,我能理解,因为你把一个物体放在那里,自己肯定不会动

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