Over the past year, sky-high fuel prices have focused minds on efficiency like never before.

在过去的一年里，高昂的燃料价格使人们前所未有地关注能源效率。

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The focus was on efficiency.

他关注的是效率。

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Focus on efficiency.

关注效率。

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So we're not going to turn you into an expert on computational efficiency.

我们并不是要把你训练成,一个计算效率专家。

麻省理工公开课 - 计算机科学及编程导论课程节选

The efficiency for the one on the left q1 is minus w over q1, The efficiency prime for the one on the right is minus w prime over q1 prime.

左边的效率是,负w除以，右边的效率是,负w一撇除以q1一撇。

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That focus on efficiency and improved service has made for an interesting business proposition.

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Even UPS, with its conservative brown uniforms and laser like focus on efficiency of movement, made the list!

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Further focusing on efficiency, this new update adds the ability to sync autofill and saved passwords across mobile devices.

ENGADGET: Chrome beta for Android delivers a proxy-based speed boost, now syncs autofill and saved passwords