physical conceptions

• 物理概念

physical conceptions的用法和样例：

例句

1. Perpetual motion is one of the important physical concepts.
   永久运动是重要物理概念之一。
2. There are some valuable physical insights to be gained by taking a slightly more restricted approach.
   通过采用一个限制得更严一些的处理方法，可以得到一些有价值的物理概念。