logarithmic returns calculation method 对数累积超常收益率法
In the paper, theoretical mode of revised logarithmic helical curve is discussed carefully, and the methods of calculation and design are also given.
本文对修正对数螺线的理论模型进行了详细的分析，并给出了设计计算的方法。
This article discusses the calculation of heat flux in the evaporator, in order to improve the conventional logarithmic mean temperature difference method.
本文讨论表面式蒸发器管路内热流密度计算，以改进传统的对数平均温差法。
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