"The axle center time worn out", the leisure time waste, the physical ability decline and the bad habits and customs restrict the fostering of inhabitant sports behavior.
“轴心时间疲软”、休闲时间浪费、体能衰退和不良生活习惯制约居民体育行为的养成。
As compared to physical loads, mental loads were not in relation to work ability decline.
相比之下，未发现脑力负荷重会增加工作能力减退的危险。
Such intensive training cannot possibly be carried out all the year round because it would lead to a decline in physical ability, imbalance in internal secretion or other troubles.
如果全年进行与比赛性质十分接近的紧张训练，身体便会承受不了，出现生理指标下降，内分泌失调，甚至生病。
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