测量质量无疑是困难的测量计算数量一样容易。

Measuring quality is difficult; measuring quantity is as easy as counting.

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溶液表面张力的测定需要一个复杂的实验测量计算过程。

A complex lab calculation process is needed to test the surface tension of the liquid.

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震级测量地震震源能量释放的大小，由地震仪测量计算得出。

Magnitude measures the energy released at the source of the earthquake. Magnitude is determined from measurements on seismographs.

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I don't want to have to deal with heat escaping to the outside environment in a way that might be difficult or complicated to measure or calculate.

我可不想处理跑到,环境中去的热量，那测量或,计算起来会非常麻烦和复杂。

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If we want to know the total heat added to the system, we can measure it, which is the straightforward thing, but sometimes you want to calculate in advance, or sometimes you want to calculate it on an exam.

如果想知道给系统的总热量，我们可以测量，这是很直接的事情，但有时候我们想事先计算它，或者需要在考试中计算。

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Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.

这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。

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