因为适量的体力活动有利于消耗摄取的能量，达到体重、营养等多方面的平衡，从而减少疾病的发生率。
For a moderate amount of physical activity is beneficial to absorb energy consumption, achieve weight, nutrition, and various balance, so as to reduce the incidence of disease.
降低禽畜排泄物的臭味及氨气，并能减少污泥的堆积，改善养殖环境，减少紧迫造成的疾病发生率，增加产能。
Controls odors and ammonia from manure reduces sludge accumulation so that farm environment is improved, stress induced disease are reduced, productivity is improved.
目的综合干预老年人心血管疾病危险因素，减少心脑血管疾病事件的发生率。
Objective to comprehensively intervene in cardiovascular disease (CVD) risk factors in the elderly and reduce the incidence of the cardiovascular diseases.
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