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Hard to have "price" to "city" GPS mobile phone is chicken wings or chicken ribs?
2013-11-1 17:21:45
GPS English full name: global satellite navigation and positioning system. As the name suggests, is used to locate. Specifically in the 24 satellites launched, at an altitude of twenty thousand km, the signal to determine your specific location of the system. And GPS mobile phone with built-in GPS chip or an external GPS receiver, insert digital maps, receive map data through wireless network positioning and navigation. Such a cell phone in addition to possess the basic function of mobile phones became a veritable GPS mobile phone.