名词
中文翻译：记录时间比较器
同义词：
['chronograph', 'time-keeper例句：1. The recording chronocomparator is used to measure the duration of an event.（记录时间比较器用于测量事件的时间长度。）']
例句：
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1. The recording chronocomparator is used to measure the duration of an event.
记录时间比较器用于测量事件的时间长度。
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2.The chronocomparator was invented by a scientist who wanted to improve the accuracy of timekeeping.
记录时间比较器是由一位科学家发明的，他想要提高计时的准确性。
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3. The chronocomparator was used to compare the timings of different events.
记录时间比较器被用来比较不同事件的时间。