AIM: To observe the changes of physiological and endocrine indexes in swimming athletes and non-athletes under coldness and hotness and their influence on human immune system.

目的：观察冷、热环境下游泳运动员和非运动员生理和内分泌指标的变化，以及这些变化对人体免疫系统的影响。

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These irradiations may cause an agitating mood, the endocrine disorder, which makes human body system out of balance.

这些射线会使人的心情烦躁，内分泌紊乱，各种功能失调、退。

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