lower field

例句：

1. 2.
   在物理学中
2. 3.
   在政治学中
3. 1. The lower field of the experiment is where the results are observed.
   实验的低能域是观察结果的地方。
4. 2. The scientist studied the lower field of quantum mechanics.
   这位科学家研究了量子力学的低能域。
5. 3. The lower field of the study is crucial for understanding the mechanism of the reaction.
   研究中的低能域对于理解反应机制至关重要。