反射过程本身不存在任何能量损耗。

The process of reflection does not in itself involve any energy loss .

youdao

反射过程本身不存在任何能量损耗。

The process of reflection does not in itself involve any energy loss.

youdao

反射过程本身不存在任何能量损耗。

The process of reflection does not in itself involve any energy loss.

youdao