据此，你可以计算出银河系的总质量。
该方法不但可以计算总的附加质量，而且可以计算其分布情况。
The method can not only calculate the whole added mass, but also compute its distributing on the underwater vehicle.
提出各类及总的经济质量指数的计算思想和公式。
Put forward the calculation thought and formula of all kinds of total economic performance figures.
把计算出的质量和星系团中发光星系的总质量相比较，就能确定出星系团中存在多少暗物质。
Comparing the calculated mass and the total mass of the light-emitting galaxies in the galaxy cluster would determine the amount of dark matter that exists in the galaxy cluster.
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。
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。
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.
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