本文从原子磁矩的计算入手，按着运用量子力学微扰论方法探讨原子顺磁磁化和抗磁磁化的量子理论。
This essay, Starting from the Calculation of the atomic magnetic moment, approaches the quantum theory of Paramagaetism and diamagnetism by applying quantum mechanics perturbation theory.
在顺磁材料中，磁矩的方向在原子之间随意变化。
In a paramagnetic material the directions of the magnetic moments vary randomly from atom to atom.
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