上期已经为大家介绍了GPS如何选购以及GPS的工作原理,本期为广大读者奉上“如何购买GPS设备”的功能篇。GPS设备的关键功能地图覆盖范围:在美国国内出售的GPS型号,通常都提供全国的详细街区地图,其中很多还提供了北美的全部地图。此外,你还可以根据不同的国外地区, The last issue has been introduced to everyone how to buy GPS and GPS works, this issue for the majority of readers offer “how to buy GPS equipment” articles. Key Features of GPS Devices Map Coverage: GPS models sold in the United States generally provide detailed countrywide block maps, many of which also provide full maps of North America. In addition, you can also according to different foreign regions,