名词
中文翻译：近距探测器
同义词：
['near-field detector', 'proximity sensor例句：1. The proximity detector was used to detect the presence of objects within a certain range.（近距探测器被用来检测物体在一定范围内的存在。）']
例句：
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1. The proximity detector was used to detect the presence of objects within a certain range.
近距探测器被用来检测物体在一定范围内的存在。
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2. The proximity detector is crucial for maintaining safe distances in crowded spaces.
近距探测器在拥挤空间中保持安全距离至关重要。
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3. In this experiment, we used a proximity detector to monitor the movement of people around the perimeter.
在这个实验中，我们使用了一个近距探测器来监测围绕边界线的人员移动。