英语翻译

问题描述:

英语翻译
研究对象为15名游泳运动员,男9名,女6名;平均年龄16.33±1.95岁;平均运动年限7.07±2.12年;健将级5人,一级8人,二级2人.

Research subjects are 15 swimmers,9 male athletes and 6 female athletes; their avergae age is 16.33±1.95years; average sports life is 7.07±2.12years; 5 people are from the excellence stage,8 from st...