momentum中文什么意思

n.
(pl. momentums, -ta ) 【物理学】动量；【火箭】总冲量；〔口语〕惰性；势头；要素，契机。 the momentum of attack 进攻的锐气[颈头]。

• conservation of momentum momentum:    conservation动量守恒
• absolute momentum:    绝对动量
• aerodynamic momentum:    空气动力动量

例句与用法

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1. Angular momentum is an axial vector quantity .
   角动量是一种轴矢量。
2. In this chapter we will discuss angular momentum .
   本章将讨论角动量。
3. A falling object gains momentum as it falls .
   物体下落增进动量。
4. Momentum and energy have been united .
   动量和能量统一了起来。
5. The total momentum at this instant is thus mv .
   因此，在该时刻的总动量为mv。

英文释义

名词

1. the product of a body''s mass and its velocity; "the momentum of the particles was deduced from meteoritic velocities"
2. an impelling force or strength; "the car''s momentum carried it off the road"
   同义词：impulse

百科释义

In classical mechanics, linear momentum or translational momentum (pl. momenta; SI unit kg?m/s, or equivalently, N?s) is the product of the mass and velocity of an object.