定义指示当前电池能量级别或充电状态信息的标识符。

Defines identifiers that indicate the current battery charge level or charging state information.

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结果显示，这两个应用程序本身所消耗的电池能量只占游戏消耗能量的四分之一。

Turns out both apps used only a quarter of their total consumed energy on game-play.

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这一点肯定会让很多混合动力车驾驶者中招；为了尽量单独使用电池能量，他们起步加速非常慢。

This is something that trips up hybrid drivers; in their excitement to use only battery power, they accelerate too slowly from a stop.

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So, this is what goes on in an electrolysis cell, and it works thanks to input energy from a power supply shown here.

所以，这是在一个电化学电池中发生的，它是靠输入的能量工作的,从和这个类似的电源输出的能量。

麻省理工公开课 - 固态化学导论课程节选

Imagine how much power it takes to drive an artificial heart, so you've got to have a battery or some way of generating power continuously to operate that and that makes it difficult to think about implantable and so that's a really good example of Biomedical Engineering.

驱动人工心脏所需要的能量是难以想像的,所以需要电池或者是某种持续发电装置,来给人工心脏提供能量,这就增加了人工心脏的植入难度,这是很好的生物医学工程的例子

耶鲁公开课 - 生物医学工程探索课程节选

The energy is not flowing from the batteries through the wires to the CD component.

能量无法再从电池,通过电线流入CD部件中

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