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gps手機追蹤?

gps是不是有追蹤功能? 原理是甚麼? 真的可以準確追查位置嗎?

By jordon chan  (graduate) on 2012-08-03  Answers 1   Views 190

i can answer

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By goodmorningsir (graduate) on 2012-08-06

gps係可以透過手機追查到位置, 它是靠發射GSM網絡的電波訊號,漫遊聯絡到某GSM電話上,但位置唔會太準確。

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