As a required course in Police PE, fighting has its own complete and scientific features in respect of its speed training methods.
散手运动作为警察体育的必修科目，训练手段和方法日趋完善和科学化。
When the required course of PE in the university is end, most of the students don't take part in aerobic metabolism exercise, and there is a marked drop in function of the heart and lungs.
随着体育必修课结束，大学生参加有氧代谢运动的人次明显减少，心肺机能水平随之显著下降。
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