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通过数学分析,推导出考虑孔型宽高比的正确计算椭圆孔型系数的公式,并指出了现用椭圆孔型系数的错误所在。
Through mathematical analysis, the formula for calculating the coefficient of the elliptical hole type considering the hole aspect ratio is deduced, and the error of the existing elliptical hole coefficient is pointed out.