By using the relation between unlimited rotation and angular momentum, this article derives the commutation relation of angular momentum operators.

本文利用无穷小旋转与角动量之间的关系来推导角动量算符的对易关系。

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Then the formula for the scalar product of angular momentum operators is used to deduce the Schrodinger equation for one particle in spherical coordinate.

在量子力学中求解球对称辏力场中的薛定锷方程时，角动量算符的几个代表关系起着关键作用。

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