The key of applying this new method was the effective triangular subdivision of mass data point of human body model.

实现这一方法的关键就是对人体曲面上的散乱数据点进行有效的三角剖分。

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Abstract: Helium mass spectrometer sniffing probe method is widely used in the process of the single point leak testing on the spacecraft.

摘要航天器的单点漏率测试往往采用氦质谱吸枪检漏法，因此，研究该方法的不确定度评定具有重要的工程实际意义。

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The calculation method of CG of locomotive is depicted. Then it is introduced how to determine and obtain secondary sprung CG, bogie mass CG and actual locomotive CG by four pivot point method.

阐述了机车重心的计算方法，介绍了如何采用四支点法测定和求得簧上总成重心、转向架总质量重心以及机车的实际重心。

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