名词
中文翻译：脉冲计时器
同义词：
['pulse meter', 'pulse counter', 'pulse generator']
例句：
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1. The pulse meter isused to measure the heart rate.
脉搏计用于测量心率。
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2. The pulse meter showed thatshe was in a bad state.
脉搏计显示她状况不好。
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3. The pulse meter helpedme to monitor her vital signs.
脉搏计帮助我监测她的体征。