在推荐的高强度锻炼的范围内根本达不到浓度升高时有毒害作用
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送交者: HunHunSheng 于 2007-03-26, 07:37:12:
回答: 从我的专业角度来看 由 EnvBio 于 2007-03-26, 07:29:44:
It is only defined as exercise at 60% of aeroibic capacity, which is measured by maximum heart rate
which is defined by 220-age
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