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空间探测和跟踪
 空间探测和跟踪
mil., air.def. space detection and tracking
| 设备
 设备
gen. gear
environ. equipment; fitting
hydroel.st. appliance
met. attachment; contrivance
sport. facility

to phrases
空间探测和跟踪
mil., air.def. space detection and tracking
空间探测和跟踪
: 8 phrases in 3 subjects
Air defense6
Aviation1
Space1