The ground system provides command and control of the satellites, and receives and distributes payload data and real-time telemetry required to assess how well the satellites are functioning.

地面系统提供卫星的指挥与控制，接收和分发有效载荷数据和实时遥感数据，以评估卫星运行情况。

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With such a link, doctors in the U.S. can monitor the condition of a patient in real time and offer advice just as if that patient was in a telemetry-equipped bed in an intensive care unit across the hall.

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