... television relay by satellite 电视卫星中继 tracking and data relay satellite跟踪和数据中继卫星; 跟踪与数据中继卫星 tracking data relay satellite 数据追踪中继卫星 ...
权威例句
1.
Both spacecraft make use of the US space agency's TrackingandDataRelaySatellite System (TDRSS) to speak to the ground and controllers do not want any conflicts.
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2.
In April, China launched its first trackingdatarelaysatellite to lessen its dependency on ground satellite control andrelay stations.
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3.
The data are sent from the orbiting outpost to NASA's TrackingandDataRelay Satellites, which relay it to the satellite reception dishes at NASA's White Sands Test Facility in New Mexico.
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