total angular momentum quantum number

例句：

1. 1. In the study of quantum mechanics, the total angular momentum quantum number is a crucial concept.
   在量子力学研究中，总角动量量子数是一个关键概念。
2. 2. The total angular momentum quantum number determines the spin state of an electron in a magnetic field.
   总角动量量子数决定了电子在磁场中自旋的状态。
3. 3. The measurement of the total angular momentum quantum number provides valuable information about the internal structure of molecules.
   测量总角动量量子数提供了关于分子内部结构的宝贵信息。