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.
如果你知道在你的实验装置中的原子，它们就必然具有某些动量的不确定性使得这些原子的温度高于绝对零度，不然的话，只有你的实验装置的尺度达到了整个宇宙。
If you know your atoms are inside your experiment, there must be some uncertainty in their momentum keeping them above absolute zero - unless your experiment is the size of the whole universe.
同时指出利用质点系绝对运动对动矩心的动量矩定理处理有关方面问题的方法更具有普遍性。
In addition, the theorem of moment of momentum about relative motion of the system of particles to the center of mo…
同时指出利用质点系绝对运动对动矩心的动量矩定理处理有关方面问题的方法更具有普遍性。
In addition, the theorem of moment of momentum about relative motion of the system of particles to the center of mo…
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