名词
中文翻译：接近开关
同义词：
['nearness switch', 'proximity sensor例句：1. The proximity switch is used to detect when the door is opened.（接近开关用于检测门是否被打开。）']
例句：
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1. The proximity switch is used to detect when the door is opened.
接近开关用于检测门是否被打开。
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2.The proximity switch was designed to prevent accidental activation of the alarm system.
接近开关被设计成防止意外激活警报系统。
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3.The proximity switch is a crucial component in many safety systems.
接近开关是许多安全系统中的关键组件。