名词
中文翻译：被动探测器
同义词：
['passive sensor', 'passive transducer']
例句：
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1.The new device uses a passive detector to detect the presence of pollutants in the air.
这款新设备使用被动探测器来检测空气中的污染物。
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2. In this experiment, we used a passive detector to measure the temperature changes in the room.
在这个实验中，我们使用了被动探测器来测量房间内的温度变化。
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3. The passive detector is designed to be unobtrusive and can be easily integrated into various systems.
被动探测器设计得隐蔽，可以很容易地集成到各种系统中。