By analyzing the yearly revised coefficient to the land net profit as per equal proportion, this paper puts forward the modified formula and offers actual examples to support it.
本文通过对土地年纯收益按等比递增情况下的年期修正系数的分析，提出年期修正系数的改正公式，并对此公式进行实证分析。
Thoroughly revised and expanded by 50%, this edition of this handbook offers petroleum and chemical engineers a comprehensive guide to all aspects of petroleum refining processes.
完全修正并且扩大50%，这本手册的这版给石油和化学工程师提供全面的石油精炼过程的各方面指南。
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