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The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward, thereby increasing the speed of the engine and cutting its fuel consumption.

最后一步是将蒸汽引入气缸，使得活塞前后推动，从而提高了发动机的速度，降低了燃料消耗。

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The first step in cutting costs is finding the right glass and production process for the job.

削减开支的第一步是找到正确的玻璃和生产过程。

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Republican Senator Lamar Alexander of Tennessee said cutting health care costs step by step is better than the Democrats' plan.

VOA: special.2010.02.27

With this, if I can assume that accessing the i'th element of a list is constant, then you can't see that the rest of that analysis looks just like the log analysis I did before, and each step, no matter which branch I'm taking, I'm cutting the problem down in half.

读取数组中的第i个元素,是个常量时间的操作的话，我也就能像以前那样得到,这个算法是对数级复杂度的分析,并且每一步不管我选择哪个区间，我都可以把问题的规模缩小一半。

麻省理工公开课 - 计算机科学及编程导论课程节选

Will he, like so many chief executives before him, take his cost-cutting measures one step too far?

FORBES: Can Apple Survive Without Steve Jobs?

The Israeli government has taken the unusual step of cutting all ties with an American preacher, the television evangelist Pat Robertson.

NPR: Christian Leaders Balk at Robertson's Remarks

Speaking earlier at the summit, UN Secretary General Ban Ki-moon said he believed an agreement was in sight, with recent moves by some countries a positive step to cutting emissions.

BBC: Commonwealth leaders back climate change fund