Knowledge is the bridge to efficiency.

知识是通向效率的桥梁。

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Others welcome the fiscal pressure as a spur to efficiency.

还有一些人对这样提高效率的财政压力手段持欢迎态度。

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The key to efficiency is to take the time to focus your efforts so that they produce the most relevant results.

效率的关键，在于花时间把你的努力集中起来，之后它们便会产生最相关的结果。

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Some manufacturers are pushing cars to new levels of fuel efficiency.

VOA: special.2010.11.17

And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.

在实际中，我们定义,效率为热与功的比值。

麻省理工公开课 - 热力学与动力学课程节选

And so instead of defining efficiency the way you've got it written there, I'm going to define what's called something different for a refrigerator which is called the coefficient of performance.

现在我们不用,效率的那个定义，我给出一个,有关制冷机的,新的定义,叫做制冷系数。

麻省理工公开课 - 热力学与动力学课程节选

So, left to their own devices, builders are inclined to give short shrift to efficiency.

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The knowledge they carry with them over the years adds to efficiency and productivity.

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Previously, the City managed three separate email systems internally, providing challenges to efficiency and security.

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