alternating excitation

例句：

1. 1. The research team is conducting an experiment to study the effects of alternating excitation on human performance.
   研究团队正在开展一项实验，以研究交替兴奋对人类表现的影响。
2. 2.During the race, the runner alternated between fast and slow paces to maintain his energy levels.
   在比赛中，跑者交替使用快和慢的速度来保持他的体能水平。
3. 3.The scientist noticed that the cells in the brain were responding differently to alternating excitation than they did to constant stimuli.
   科学家注意到大脑中的细胞对交替兴奋的反应与它们对持续刺激的反应不同。