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GPS.
GOV
美国政府有关全球定位系统(GPS)
及相关事项的官方信息
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GPS的应用
GPS的免费、公开和可靠的性能使全世界的用户能够开发出数百种用途,几乎影响到现代社会的所有方面。本网站描述的各种用途仅仅是几个例子。GPS的新用途每天层出不穷,只怕想不到,不怕做不到。
农业
航空
环境
海运
公共安全和灾难救援
铁路
娱乐
道路和高速公路
空间
勘测与绘图
定时
GPS的应用:
概要
农业
航空
环境
海运
公共安全和灾难救援
铁路
娱乐
道路和高速公路
空间
勘测与绘图
定时
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