明年该局还计划测试一套以卫星定位为基础的收费系统，这样就不用建立公路收费站，只需根据特定时段这条公路的拥挤状况来进行收费。
And next year it plans to test a satellite-based system that does not require gantries and can charge according to how congested a road is at that particular time.
太阳风暴威胁着所有的围绕地球运行的人造天体，包括GPS定位和通讯卫星，载人航天飞机和国际空间站。
Solar flares threaten all of the artificial objects orbiting our planet including GPS and telecommunications satellites occupied spacecraft and the International space Station.
实现区域快速无源导航定位，需要至少四个伪卫星站提供的导航信号。
To bring about local navigation and position, it at least requires navigation signals from four pseudo satellite stations.
GPS将是世界上最佳的定位系统。由于GPS将近完成，NNSS——子午仪导航卫星系及大部分台、站导航系统将被逐步淘汰。
GPS is the best portioning poday. As GPS is nearly completed, NNSS-navy navigation satellite systems and radio navigation, systems would gradually be weeded out.
站间是以车载设备为主的，由无源点式应答器、GPS列车卫星定位系统、多机校核系统构成的列车信号引导系统。
The train signal guiding system (on board) consisting of passive intermittent responder, train GPS system, and multiple computer checking system are equipped on the section.
中地球轨道是全球定位系统（美国）、格洛纳斯系统（俄罗斯）和伽利略定位系统（欧洲）等导航卫星运行的轨道。另外，俄罗斯正在关闭国境内全球定位系统的地面工作站。
It might be interesting to know that MEO is the orbit of GPS, Glonass and Galileo satellites. It is also interesting that Russia is shutting down their GPS stations.
中地球轨道是全球定位系统（美国）、格洛纳斯系统（俄罗斯）和伽利略定位系统（欧洲）等导航卫星运行的轨道。另外，俄罗斯正在关闭国境内全球定位系统的地面工作站。
It might be interesting to know that MEO is the orbit of GPS, Glonass and Galileo satellites. It is also interesting that Russia is shutting down their GPS stations.
应用推荐