例句 /

The electric stimulation training was undergone in quadriceps muscles of both thighs in 20 students for 7 weeks to observe the effects of this kind of training on the increase of muscular strength.

The electric stimulation training was undergone in quadriceps muscles of both thighs in 20 students for 7 weeks to observe the effects of this kind of training on the increase of muscular strength.

结果显示电刺激可增长股四头肌的肌力 ,与对照组比较具有显著性差异 (P<0 。