The utility model also can effectively avoid engine oil bubble to improve the efficiency of the engine oil pump.

本实用新型还可以有效避免出现机油气泡，使机油泵效率升高。

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A fuzzy logic based energy management strategy is used to optimize the operational efficiency of the engine, motor and batteries.

为了优化发动机、电机及电池的工作效率，给出了基于模糊逻辑的能量管理策略。

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The effects on the operation economical efficiency of the engine and the discharge capability of the new quick burning firebox were discussed in this paper.

论述了速燃及新型燃烧室对发动机运行经济性及排放性能的影响，并对新型燃烧室的实验结果进行对比分析，指出了新型燃烧室的特点。

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So what this says is the efficiency of any reversible engine T1 has to be one minus T2 over T1.

这就是说,任何可逆热机的效率都是,负T2除以。

麻省理工公开课 - 热力学与动力学课程节选

So now let's look at the efficiency of our irreversible engine.

再来看看,不可逆热机的效率。

麻省理工公开课 - 热力学与动力学课程节选

But when the tweakers took over the efficiency of the steam engine swiftly quadrupled.

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One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.

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