Conversion of parameters B and C obtained by the fitting of Japanese vitality curves with gamma vitality model to mode and inflection point

Values of parameters A, B and C in the attached EXCEL sheet are obtained by fitting of the Japanese male vitality curves(1920- 2000) by gamma vitality model. <br>I converted parameters B and C to mode and inflection point of gamma distribution curve. Now the unit of parameters is age.<br>附件中的Excel工作表内参数A、B、C的取值，是通过伽马生命力模型（gamma vitality model）对1920-2000年日本男性生命力曲线进行拟合所得。我已将参数B、C转换为伽马分布曲线（gamma distribution curve）的众数与拐点，当前各参数的单位为年龄。