通过模拟计算分析了控制阀泄漏和开度对充量系数的影响；

The effects of the clearance between the valve and resonance chamber and the valve opening on charging coefficient are also analyzed by simulation;

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本文介绍了节流式流量测量系统外接管长度对汽油机充量系数和扭矩特性的影响。

This paper introduces the effect of connecting pipe length of the flow measurement system on volumetric efficiency and torque characteristic of gasoline engines.

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试验结果表明，该系统在不影响进气充量系数的情况下，对柴油机有害气体排放量影响显著。

The test results show that, without obvious increase of volumetric efficiency, this system is able to make obvious change to the exhaust gas emission of diesel engine.

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It turns out that this quantity here, which is called eta of J the Joule free expansion parameter, is not quite zero.

这个量后来被，称作焦耳膨胀系数,其实并不等于零。

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Do you realize that this is a pair of simultaneous equations in which you can solve for these two unknowns, if you like, in terms of these two knowns and these coefficients, which are like these numbers, 3, 2, 4, and 6?

你们是否发现这其实就是一个方程组,你可以用它来解出这两个未知量,你愿意的话,可以用这两个已知量,和这些系数,比如这些数字,3,2,4和6

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Therefore, it'll compress by an unknown x, which is equal to mg divided by the force constant of the spring.

因此它的压缩量为 x,也就等于 mg 除以弹簧的弹性系数

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