名词
中文翻译：Unknown
同义词：
['marker', 'pulse', 'signal', 'counter', 'generator']
例句：
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1. The marker pulse was used to mark the starting point of the race.
使用标记脉冲来标记比赛的起始点。
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2. The pulse of the heartbeat is a strong indicator of health.
心跳的脉冲是健康的一个强烈指标。
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3. The generator produced a continuous flow of electricity for the entire day.
发电机持续产生电力供应整个一天。