The process of reflection does not in itself involve any energy loss.
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 .
反射过程本身不存在任何能量损耗。
The library consciousness is a process of people's conscious reflection to the library.
图书馆意识是指人们对图书馆的自觉的反映。
The library consciousness is a process of people's conscious reflection to the library.
图书馆意识是指人们对图书馆的自觉的反映。
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