Sports group characteristics of body height , weight and quetelet index of today ' s worldelite track and field athletes 体重和克托莱指数的项群特征
2.
The result showed that the average height of huizhou adults was lower than that of china , rural adults ' height was much lower and quetelet index was lower than average 结果显示，惠州市成年人身高比全国成年人低，农村成年人平均身高更低，克托莱指数也均比全国平均数低。
3.
It was known to all that p . f . verhulst and a . l . j . quetelet who proposed the classical logistic model in 1838 , and then t . g . hallam and c . e . clark mended the classical logistic model in 1993 Clark修改了经典的logistic方程近些年来，许多专家和学者对logistic方程中的两个参数：内禀增长率r和环境的最大容纳量k从不同方面进行完善
