低血氧症是较可靠及敏感的早期诊断指标。
Hypoxemia is a reliable and sensitive index for its early diagnosis.
氧是维持人体生命活动的关键物质，血氧饱和度是反应机体供氧是否正常的一个重要指标。
Oxygen is the key material to human's life, and oxygen saturation is one of the important indexes reflecting organic oxygen delivery status.
目的：探讨有氧与无氧训练对游泳运动员血乳酸等相关指标的影响及其相关因素。
Objective: To study the effect of aerobic and anaerobic training on the level of serum lactic acid and related indexes of swimmers.
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