In other words if you say, how many vibrations are there in the lattice, well if there are N atoms, each atom in the gas phase would have three degrees of freedom.
换句话说，你会问经各种有多少振动，如果有N个原子，气相中的每个原子有,3个自由度。
In other words if you say, how many vibrations are there in the lattice, well if there are N atoms, each atom in the gas phase would have three degrees of freedom.
换句话说，你会问经各种有多少振动，如果有N个原子，气相中的每个原子有,3个自由度。
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