例如，无论一个舞者多么想要跳离地板，然后开始旋转，角动量守恒定律绝对阻止这样的动作。
For example, no matter how much a dancer wishes to leap off the floor and then start turning, the law of conservation of angular momentum absolutely prevents such a movement.
我可以第一次应用，动量守恒。
And so now I can apply, for the first time, the conservation of momentum.
动量守恒，这就叫作动量守恒。
Momentum is conserved, and that's called the conservation of momentum.
你看，这正是，验证动量守恒的方法。
So, you see, that's exactly how you can demonstrate the conservation of momentum.
这是唯一的方法,自然使动量守恒之道。
动量守恒定律告诉你,碰撞后速度是多少。
So the conservation of momentum tells you what the speed is after the collision.
下一个，动量守恒。
这是角动量守恒的，立竿见影的效果。
That's immediate consequence of the conservation of angular momentum.
角动量守恒，惯量，平行轴原理。
Conservation of angular momentum, moment of inertia, parallel axis theorem.
但是动量守恒，因为这里的，摩擦力都是内部的。
But momentum is conserved, because those frictional forces are all internal.
质量守恒，动量守恒，应力张量。
Conservation of Mass. Conservation of Momentum. Stress Tensor.
动量守恒,可以写下2,这是完全-,非弹性碰撞。
Momentum is conserved, so I can m1*v1+ write down that m1 times v1 plus m2 - it is a completely inelastic collision-- *v times v prime.
解牛顿运动方程的能量与动量守恒型积分方法。
Energy and momentum conserving integrators for Newtonian motion equations.
不知怎么的，这一定律和,角动量守恒定律有所相似。
Somehow, it has the smell of some conservation of angular momentum.
动量守恒方程包括两种气体(热气体和束电子)的动量转移。
The momentum flux conservation equation includes the momentum transfer of two gases (heating gas and beam electron).
以动量守恒原理为基础，建立了侧吹射流轴轨迹的数学模型。
A mathematical model for the trajectory of the jet axis was proposed on the principle of momentum conservation.
在本章中，我们要揭示一个质点集体作运动时动量守恒的含义。
In this chapter we develop the implication's of momentum conservation in the motion of a collection of particles.
之前我们讨论过，角动量守恒-,它们有很强的磁场-,这物体。
The neutron stars rotate around, - we discussed that earlier-- - conservation of angular momentum-- and they have strong magnetic fields.
动量守恒原理则不管内力的性质如何（保守的或非保守的）都能适用。
The principle of conservation of momentum holds whatever the nature of the internal forces, conservative or not.
研究人员计算出这会怎样影响整个地球自转速度，这有助于保持角动量守恒。
The researchers calculated how this would affect the rotation rate of the whole planet, which would compensate to conserve angular momentum.
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。
Vector nature of angular momentum, precession, conservation of vector angular momentum (its transfer between parts of a system), nutation.
必须记住，动量守恒甚至对于非弹性碰撞也是成立的，尽管这时动能已不守恒。
It is important to realize that momentum conservation applies even to inelastic collisions, in which the kinetic energy is not conserved.
从一个佯谬问题出发，利用数学计算的方法，得出了稳态电磁场动量守恒的结论。
From a sham false question, used the method of math calculate, received conservation of momentum's conclusion to steady-state electrical and magnetism.
利用简单对称性的电磁场，讨论了场和电荷系统遵从的动量守恒、量矩守恒定律。
With a simple symmetrical electromagnetic field, the law of conservation of momentum and the law of conservation of angular momentum for electromagnetic field and charges system are investigated.
基于能量守恒、动量守恒、质量守恒方程，建立描述绝热毛细管特性的数学模型。
The adiabatic capillary tube model was established based on energy conservation, mass conservation and momentum conservation equations.
物理学一条基本定律认为动量守恒，也就是说，除非外力进入系统，否则总动量一定保持不变。
A fundamental law of physics holds that momentum is always conserved, meaning that unless some outside force enters a system, its total momentum must stay constant.
通过求解质量守恒、动量守恒、能量守恒方程，获得液膜厚度、速度与温度等参数。
Conservation of mass, momentum, and energy are used to solve for the liquid film thickness, velocity, and temperature.
液膜厚度、速度与温度等参数通过求解液膜的质量守恒、动量守恒、能量守恒方程获得。
Conservations of mass, momentum, and energy are used to determine liquid film thickness and temperature.
两个物体的运动轨迹相交时，将发生碰撞、干涉，在碰撞前后满足动量守恒和能量守恒定律。
When the motion tracks of two objects intersect, they may collide and have interference. Before and after their collision, they meet law of conservation of momentum and law of conservation of energy.
基于流体质量、动量守恒导出了单管球塞气举和分体式柱塞气举采用“压低液面”卸载的数学模型；
Based on the mass and momentum conservations of fluid, the mathematical model of Two-Piece plunger lift and single-string pig lift which unload by pressing fluid level down is derived.
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