The result of variance analysis revealed that regression equation method could give a more reliable result than leaf area correction coefficient method for the leaf area measurement.
经方差分析比较证明，应用回归方程法计算的叶面积比用矫正系数法更为可靠。
A method of extra saturation correction of the magnetic circuit by using saturation coefficient is given.
并给出一种利用励磁磁路饱和系数修正过饱和磁路励磁电抗的求取方法。
It includes the concept of stress correction coefficient, a new method to determine the stress concentration factor of mortise of a disk and a new method for correcting the stress ratio.
改进方法包括：提出应力修正系数概念和一种适用于轮盘榫槽结构的理论应力集中系数确定方法，以及应力比修正方法。
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