| 名称: | |
| 描述: | |
| 公开/私有: | 公开 私有 |
| 标题: | |
| 描述: | |
| 公开/私有: | 公开 私有 |
- aerial reconnaissance (1)
- aerodynamics (1)
- aeronautics (1)
- aircraft accidents (1)
- congresses (1)
- heat pipes (1)
- image processing (1)
- photographic reconnaissance systems (1)
- radiative transfer (1)
- safety measures (1)
- space vehicles (1)
- thermodynamics (1)
- 基本知识 (1)
- 技术史 (1)
- 普及读物 (1)
- 月球探索 (1)
- 民用航空 (1)
- 运输机 (1)
主题
| 1. |
|
|
|
| 2. |
|
|
|
| 3. |
|
|
|
| 4. |
|
|
|
| 5. |
|
|
|
| 6. |
|
|
|
| 7. |
|
|
