![]() |
operation plan : 44 phrases in 17 subjects |
Automobiles | 1 |
Aviation | 9 |
Business | 4 |
China | 1 |
Communications | 1 |
Cryptography | 1 |
Economy | 3 |
Electronics | 2 |
International trade | 1 |
Nautical | 1 |
Navigation | 1 |
Planning | 1 |
Project management | 1 |
Shipbuilding | 3 |
Space | 3 |
Technology | 10 |
United Nations | 1 |