本文发现，Ｌ／Ｈ的值有两种：一种是胸前极间距离Ｌ＿１与身高Ｈ之比，另一种是胸背极间距离平均值Ｌ与Ｈ之比。国人目前关于Ｌ／Ｈ的报导，与Ｓｒａｍｅｋ的０．１６８不同，其原因是测量极间距离的方法不同产生的，并不是中国人与外国人的体型差别引起的。在心搏出量的非线性公式中，用０．１６８Ｈ代替Ｌ更为合理。 This paper found that there are two values ​​of L / H: one is the ratio of the chest before the distance between L_1 and height H, the other is the average distance between chest and back electrode L and H ratio. People’s current report on L / H, which differs from Sramek’s 0.168, is that the differences in the methods of measuring the distance between the poles did not result from the difference in body size between Chinese and foreigners. In the non-linear formula of stroke volume, it is more reasonable to replace L with 0.168H.