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定向发射
space directional launch; beaming
telecom. beam transmission; directional transmission
定向发射[传输]
space beam transmission
定向〔束流〕发射〔传输〕
tech. beam transmission
定向发射: 16 phrases in 9 subjects
Air defense2
Automobiles1
Chemistry1
Earth sciences1
Electronics1
General1
Space4
Technology4
Thermal Energy1