名词
中文翻译：系统计时器
同义词：
['computer timer', 'computer clock', 'computer stopwatch']
例句：
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1.The system timer on my computer is set to the correct time.
我的电脑上的系统计时器设置成了正确的时间。
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2.He used his computer timer to measure the distance between two points.
他使用电脑计时器测量了两点之间的距离。
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3. The engineer used a computer timer to keep track of the project's progress.
工程师使用电脑计时器来跟踪项目的进度。