当你踢、打或扔它的时候，能量通过这些机制保存在里面，而不是散失到环境中。

When you kick, hit or throw it, energy is then kept in it by these mechanisms instead of disappearing into the environment.

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研究表观遗传学的一个方法是通过揭示环境直接影响基因的机制来彻底改变我们对生物学的理解。

One way the study of epigenetics is revolutionizing our understanding of biology is by revealing a mechanism by which the environment directly impacts on genes.

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低水平的游离是至关重要的，因为这个过程提供了一种新基因的来源和一种机制，通过这种机制，如果该地鱼群消失，可以重新繁殖该种群。

Low levels of straying are crucial, since the process provides a source of novel genes and a mechanism by which a location can be repopulated should the fish there disappear.

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These are programs that are already enacted, that are in law that would be virtually impossible to reverse.

这些机制已经立法通过了，成了白底黑字,事实上也不可能推翻。

斯坦福公开课 - 经济学课程节选

Parliament enacts through this legislation a mechanism for the state control of the press.

议会通过立法来实施,一个政府控制出版的机制。

耶鲁公开课 - 弥尔顿课程节选

It works by a control mechanism called negative feedback, and the thermostat is measuring the temperature and then sending a signal to a heater somewhere.

是通过一种叫做负反馈的控制机制,探测器测量温度,再把信号传给加热器

耶鲁公开课 - 生物医学工程探索课程节选