| |||
| 工程和研制［研发］ | |||
|
engineering and development : 54 phrases in 13 subjects |
| Air defense | 3 |
| Aviation | 12 |
| Business | 1 |
| Company name | 1 |
| Consulting | 1 |
| Earth sciences | 11 |
| Electronics | 6 |
| General | 5 |
| Leather | 1 |
| Mining | 1 |
| Navigation | 3 |
| Space | 6 |
| United States | 3 |
| |||
| 工程和研制［研发］ | |||
|
engineering and development : 54 phrases in 13 subjects |
| Air defense | 3 |
| Aviation | 12 |
| Business | 1 |
| Company name | 1 |
| Consulting | 1 |
| Earth sciences | 11 |
| Electronics | 6 |
| General | 5 |
| Leather | 1 |
| Mining | 1 |
| Navigation | 3 |
| Space | 6 |
| United States | 3 |