 |
| |||
| concept paper; concept note; conceptual paper; concept document | |||
| 概念文件: 3 phrases in 3 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Project management | 1 |
|
| |||
| concept paper; concept note; conceptual paper; concept document | |||
| 概念文件: 3 phrases in 3 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Project management | 1 |