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point mass

美英

un.〔物〕质点；点质量
网络点的质量；质点质量；点式群体

point mass

point mass

英-汉网络释义

point mass

un.

1.〔物〕质点

2.点质量

1

The center of mass of a system is defined as follows: I have here some kind of an object not just a point mass, but it has a finite size .

系统的重心，是这样定义的：，我有一个物体，不是有棱角的物体，但它大小有限。

2

Newton's law of motion as applied to the point mass is the well-known vector equation : F=ma.

牛顿运动定律应用于质点时就得到这样一个著名的向量方程式：

3

Case in point: Mass Effect 2 , which came out in January and sold more than 2 million units in its first week of release.

准确例子：质量效应 2 ，一月份发布，发行第一周销量超 200万套。

4

The compliant surface (the springboard ) is modeled by a rigid bar with a rotational spring on the hinged end and point mass on the tip.

弹性表面（跳板）由板端为等效质点，另一端为转动式弹簧之刚体所模拟。

5

Now, that is only for a point mass .

那只是对于一个质点而言的。

6

Establishment of the Combined Point Mass Model Considering Spectrum Characteristic

顾及频谱特性组合点质量模型的建立

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