Is it the moment when they are first made to collide with each other, thus generating the exciting new sub-atomic particles that are the whole point of the exercise?
还是当他们首次相互碰撞，从而产生具有此次实践全部意义的激动人心的全新亚原子粒子时计作开始？
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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.