Objective To understand the rule of the growth and development of the length of the upper limbs of students in Shenyang.

目的了解沈阳地区青少年上肢长的生长发育规律。

youdao

Objective To understand the rule of the growth and development of the length of the upper limbs of students in Shenyang.

目的了解沈阳地区青少年上肢长的生长发育规律。

youdao