engineering target
| revision authorization
| engineering target | |
| tech. | 工程指标 |
| revision authorization | |
| avia. | 版本授权表; 更改授权 |
| |||
| 工程指标 | |||
|
engineering target : 5 phrases in 3 subjects |
| Aviation | 2 |
| Earth sciences | 1 |
| Technology | 2 |