The rate of return on equity reflects the relation of net profit and owner's equities. It is most comprehensive and representative in all the financial indicators.
权益净利率反映了净利润与所有者权益之间的关系，是所有财务指标中综合性最强、最具有代表性的指标。
The relation between profit rate and exergy efficiency is discussed and the characteristic of profit rate versus exergy efficiency is loop-shaped.
讨论了利润率和效率之间的关系，其特性关系为扭叶型。
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