名词
中文翻译：慢计数器
同义词：
['slow count', 'slowdown counter']
例句：
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1.The engineer used a slow counter to measure the time it took for the machine to run.
工程师使用一个慢计数器来测量机器运行所需的时间。
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2. The slow counter was used to monitor the progress of the project.
慢计数器被用来监控项目的进度。
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3.The slow counter helped us to keep track of the number of people who had arrived.
慢计数器帮助我们跟踪到达的人数。