Incorporating pack weight and bodyproportion data, he came up with an equation to determine the maximum rucksack load suitable for a person of given size.
通过比对负重与体重数据，他得出一个关于背包最大负重量与人体重量的等式关系。
2
The head is out of proportion with the body.
头部和身体不成比例。
《牛津词典》
3
Children tend to have relatively larger heads than adults in proportion to the rest of their body.