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卫星跟踪与数据网络 | |
el. | satellite tracking and data network |
测距 设备 | |
auto. | ranging system |
测距设备 | |
avia. | distance-measuring equipment |
mil., air.def. | distance measuring equipment |
radio | distance-measuring equipment |
rem.sens. | distance measuring equipment |
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satellite tracking and data network |
卫星跟踪与数据网络 : 3 phrases in 1 subject |
Electronics | 3 |