名词
中文翻译：被动追踪器
同义词：
['passive detector', 'passive tracker', 'passive sensor例句：1. The new passive tracker can detect the location of objects even when they are not moving.（这款新型被动追踪器可以在物体静止时也能检测到其位置。）2. The team used a passive tracker to locate the missing child.（该团队使用了一个被动追踪器来定位失踪的孩子。）']
例句：
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1. The new passive tracker can detect the location of objects even when they are not moving.
这款新型被动追踪器可以在物体静止时也能检测到其位置。
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2. The team used a passive tracker to locate the missing child.
该团队使用了一个被动追踪器来定位失踪的孩子。
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3.Passive trackers are often used in security systems to monitor and track individuals or groups.
被动追踪器通常用于安全系统中，以监控和跟踪个人或团体。