| |||
| 先进的观念 | |||
|
advanced concepts : 34 phrases in 8 subjects |
| Air defense | 3 |
| Automobiles | 5 |
| Aviation | 12 |
| Electronics | 3 |
| General | 1 |
| Military | 1 |
| Space | 5 |
| United States | 4 |
| |||
| 先进的观念 | |||
|
advanced concepts : 34 phrases in 8 subjects |
| Air defense | 3 |
| Automobiles | 5 |
| Aviation | 12 |
| Electronics | 3 |
| General | 1 |
| Military | 1 |
| Space | 5 |
| United States | 4 |