| |||
acquisition message | |||
collecting information |
采 集 信息 : 25 phrases in 12 subjects |
Aviation | 3 |
Computer networks | 1 |
Drilling | 1 |
Earth sciences | 4 |
Electronics | 3 |
Geophysics | 2 |
Horticulture | 1 |
Information technology | 2 |
Shipbuilding | 1 |
Space | 3 |
Technology | 3 |
Water resources | 1 |