这些连接的可能排列数比宇宙中的粒子数还要多。
The possible permutations of those connections are more than there are particles in the universe.
体积v与粒子数N固定。
分析了可能导致高温条件下粒子数反转的机制。
The possible mechanisms of population inversion under the average high temperature condition has been analysed.
分析了可能导致高温条件下粒子数反转的机制。
The possible mechanisms of population inversion under the average high temperature condition has been analysed.
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