阐述了对地观测卫星地面管理控制系统的认知和理解。
This paper describes the understanding on earth observation satellite ground segment mission control system.
富勒说美国职业安全与健康管理局必须尽可能有效地面向其资源。
Fuller says OSHA must target its resources as effectively as possible.
GPS控制段包括卫星指挥和控制、任务规划、协同管理、检测站以及地面天线。
The GPS control segment includes satellite command and control, mission planning, constellation management, monitoring stations, and ground antennas.
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