This paper discusses how to design mass measurement device by using quartz crystal performance.

讨论了如何利用石英品体的特性进行质量测量装置的设计。

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Some problems which are worthy of note during rock mass measurement by the technique are discussed.

讨论了控制致裂岩体应力测试中应该注意的问题。

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The instrument is based on the Archimedes law, and the basic method of mass measurement and pressure sensing.

主要采用了阿基米德原理，质量测定和压力传感的基本方法。

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They used a system of measurement called the Body Mass Index to define words like obese and overweight.

VOA: special.2009.07.21

But they will likely need much more information to close the uncertainties that remain in the measurement of the Higgs' mass and its other properties.

BBC: Cosmos may be 'inherently unstable'

Ascertaining the binary nature of the system also allowed the astronomers to make their accurate measurement of the bigger black hole's mass.

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