What will the angular momentum vector do?
角动量的矢量会怎样呢？
This article extends the concept of regular precession of angular momentum vector to any mathematical and physical vector.
本文将力学中角动量矢量的规则进动的概念拓展到任意数学或物理矢量之上；
At any point, if the sun elevation or sun azimuth errors or the momentum vector error exceeds tolerances, the ACS will return to an appropriate mode in order to correct the problem.
在任何时间点，如果太阳仰角或是太阳方位角的错误或是动量向量的错误超过容忍度时，那么ACS将会为了修正此问题而回到适当的模式。
Well, in physics, momentum is a vector, and it is a product between the mass of a particle and its velocity.
物理中，动量是矢量，它产生于,由粒子的质量与速度。
The change in the momentum of a system of particles during an impact is equal to the vector sum of all the external impulses acting on the system.
碰撞时质点系动量的改变等于作用在质点系上所有外碰撞冲量的矢量和。
This paper discusses the form of mechanical quantity operator and state vector of quantum mechanics under momentum image and coordinate image.
文章通过讨论量子力学力学量算符和态矢量在动量表象和坐标表象下的形式。
Vector nature of angular momentum, precession, conservation of vector angular momentum (its transfer between parts of a system), nutation.
角动量的向量特性，进动，角动量守恒(它在系统内部之间的转移)，章动。
Angular momentum: the vector product of the position vector (from a reference point) and the linear momentum of a particle.
角动量：(有参照点)的矢量和粒子线性动量的向量积。
Angular momentum is an axial vector quantity.
角动量是一种轴矢量。
The main vector equation is the equation given by the momentum;
其中，主矢方程就是动量定理给出的方程；
The relativistic relation of radiant heat was educed by transforming energy-momentum 4-vector of a single photon. The elicited results make sure P-E theory of relativistic thermodynamics once again.
通过单个光子的能量-动量四维矢量变换，导出了辐射热量的相对论关系，所得的结果再一次证实了相对论热力学的P_E理论。
The relativistic relation of radiant heat was educed by transforming energy-momentum 4-vector of a single photon. The elicited results make sure P-E theory of relativistic thermodynamics once again.
通过单个光子的能量-动量四维矢量变换，导出了辐射热量的相对论关系，所得的结果再一次证实了相对论热力学的P_E理论。
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