名词
中文翻译：环路激活信号
同义词：
['loop-activated signal', 'loop-activated signal', 'loop-activated signal']
例句：
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1. The loop-activated signal is used to control the speed of the conveyor belt.
环路激活信号用于控制传送带的速度。
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2.The loop-activated signal is a crucial component in the safety system.
环路激活信号是安全系统的关键组成部分。
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3. The loop-activated signal is used to detect and prevent accidents on the road.
环路激活信号用于检测和预防道路上的事故。