| |||
| 原形机研制; 样机研制 | |||
| 原型机研制 | |||
|
prototype development : 22 phrases in 7 subjects |
| Air defense | 1 |
| Automobiles | 5 |
| Aviation | 1 |
| Commerce | 1 |
| Electronics | 5 |
| Space | 5 |
| Technology | 4 |
| |||
| 原形机研制; 样机研制 | |||
| 原型机研制 | |||
|
prototype development : 22 phrases in 7 subjects |
| Air defense | 1 |
| Automobiles | 5 |
| Aviation | 1 |
| Commerce | 1 |
| Electronics | 5 |
| Space | 5 |
| Technology | 4 |