tracking device

基本解释

Before, he had put a tracking device in it, which is how they found him.
原来，他早先放置了一个跟踪装置在电脑里，所以他们才能找到他。
The last one caught, in 2007, was given a tracking device andfollowed daily for two years on the chance it would lead to others.
在2007年，人们又发现了一条鲟鱼，在它身体上装上了跟踪装置，希望让这条鱼引出其他的同类。
Jack brings up the possibility of her planting a tracking device on Alexis, but Elizabeth is uneasy about ever seeing the man again.
杰克向她提出，是否她愿意将一个追踪装置放在亚历克西斯身上，但伊丽莎白对再次面对这个人感到不自在。

Hormann took her car to a mechanic who discovered and removed the tracking device.
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The FDA admits as much, acknowledging "inadequacies" and "shortcomings" in tracking device safety and vowing to overhaul its approach.
FORBES: Magazine Article
One was during the installation, maintenance, and retrieval of the GPS tracking device.
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