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yun dong chang shang de gao ke ji
Author(s): 
Pages: 50-51
Year: Issue:  10
Journal: Youths Science

Abstract: <正>目前,随着高科技的发展,在运动场上采用了许多先进的电子探测装备,使体育竞赛更加公正、合理。运动员穿用先进的鞋、衣,使运动成绩有所提高。灵敏的起跑传感器在径赛中,为防止运动员违例抢跑,起跑器里安装有十分灵敏的电子传感器,如果选手在发令枪响前的0.01秒内起跑,那么,发令员戴的耳机里便会立即响
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