In order to improve power performance, save energy, and reduce exhaust emission of the coal bed methane engine, the accuracy of air-fuel ratio must be improved.

为了改善煤层气发动机的动力性、经济性和排放性，必须提高发动机空燃比的控制精度。

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An example of a tradeoff is between cost and performance: throwing more processing power at the problem will improve performance, but at a cost.

一个折衷的例子就是性能价格比：添加更多的问题处理能力会增加性能，但是要以成本为代价。

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Last month TCI put forward a 127-page plan for J-Power to improve its performance.

上个月TCI向J - Power提出一项127页的提振公司业绩的计划。

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Intel said Wednesday it will trick-out its transistors with 3-D fins that will help it improve performance and lower power consumption for its processors.

FORBES: Intel Introduces 3-D Transistors; Details New 22nm Process Technology

But where a Prius might use that power to improve mileage, Lotus has performance in mind.

MSN: Lotus steers toward mainstream market

So computer architects and researchers are working on new ways to bring PC heat and power consumption down--and improve performance in the process.

FORBES: Magazine Article