单词	chronoscope
释义	chronoscope /ˈkränəˌskōp/ /ˈkrōnəˌskōp / noun A device for measuring short time intervals, especially in determining the velocity of projectiles, or a person’s reaction time.The exhibit also features artifacts from late 19th century psychology laboratories, including the Hipp chronoscope and the Cattell voice key, as well as early tools for measuring visual and auditory perception and memory.... The calibration of these chronoscopes is facilitated by the use of the chronograph. The data obtained with it withstand the comparison with those from much more expensive chronoscopes easily.
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英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。