He then used GPS tracking technology similar to an in-car sat-nav to follow its progress.

而后，他使用类似于车内卫星导航的GPS跟踪技术跟踪整个拍摄过程。

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Happy Feet will be released into the Southern Ocean, complete with GPS tracking device.

快乐大脚将带着GPS跟踪装置，被放生到南大洋。

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Civil libertarians insist that GPS tracking is so invasive that the Fourth Amendment requires it to have a warrant.

公民自由支持者坚持GPS追踪具有攻击性，所以第四修订案要求要有搜查证才可以。

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But in February 2010, he violated his probation by cutting off his GPS tracking bracelet.

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There are two separate issues here which the judge ruled on in regards to GPS tracking devices.

FORBES: St. Louis Judge Not Waiting For Supreme Court's GPS Tracking Decision

They also use more sophisticated equipment, such a GPS tracking devices and radar, to stalk their prey.

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