Terms containing tracking and data-relay

Subject	English	Chinese
space	advanced tracking and data relay satellite system	先进跟踪和数据中继卫星系统 (美国)
avia.	advanced tracking and data relay satellite system	先进跟踪与数据中继卫星系统
space	tracking and data relay experiment	跟踪与数据中继实验
avia.	tracking and data relay experiment	跟踪和数据中继实验
el.	tracking and data relay experiments	跟踪与数据中继实验
USA, space	tracking and data relay satellite	跟踪与数据中继卫星
IT	tracking and data relay satellite system	跟踪和数据中继卫星系统
USA, space	tracking and data relay satellite system	跟踪与数据中继卫星系统
avia.	tracking and data relay station	跟踪与数据中继站
earth.sc.	tracking and data relay system	跟踪与数据中继系统
mil., air.def.	tracking and data relay system	跟踪和数据中继系统