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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。
youdao
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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。
youdao
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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。
youdao