首先从预定的广义尾流入手，并引入尖涡涡核作用的半经验修正，对旋翼的自由尾流进行计算分析。
Beginning with the prescribed wake model, a Semi Empirical Correction for the vortex core effect on rotor wake is made and free wake calculation is carried out.
首先从MM模型以及修正的MM模型入手，以时间价值为基础建立反映资本结构与财务风险的企业价值基本模型。
First, through the MM model and adjusted MM model, a fundamental firm value model is set to reflect capital structure and financial risk on the basis of time value.
虽然市场比较法是从多个影响因素入手，但是在应用这种方法时需要进行情况修正、地区因素与个别因素比较等，带有较强的主观性。
Though the method of comparing pricing through market reflects many influence factors, but the situation revising, comparison of regional factors and specific factor etc has to be made.
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