Physical fitness is an important part of quality of the population.
身体素质是人口素质的重要内容。
Therefore to increase population yield must increase dry physical weight of population.
因此，要提高群体产量，必须首先提高整个群体的干物重。
Objective To explore the effect of exercise on the physical and mental health alder population.
目的探讨健身锻炼对老年人生理及心理健康的影响。
Objective To explore the effect of exercise on the physical and mental health alder population.
目的探讨健身锻炼对老年人生理及心理健康的影响。
应用推荐