AIM: To observe the effect of shooting on the immune function of students of Police Officer Junior College.

目的：观察射击运动对警官学校大学生免疫功能的影响。

youdao

AIM: To observe the effect of shooting on the immune function of students of Police Officer Junior College.

目的：观察射击运动对警官学校大学生免疫功能的影响。

youdao