关于GPS系统特点不正确的是( ) A. 功能多、精度高、覆盖面广,在全球一些大城市能进行车辆的位置监控工作B.定位速度快 B. 构筑在国际互联网这一大平台上,具有开放度高、资源共享程度高 C. 信息传输具有保密性,系统容量大
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