| 名称: | |
| 描述: | |
| 公开/私有: | 公开 私有 |
| 标题: | |
| 描述: | |
| 公开/私有: | 公开 私有 |
- 普及读物 (6)
- astronomy (5)
- 天文望远镜 (4)
- 射电望远镜 (4)
- 研究 (4)
- astrophysics (3)
- 宇宙 (3)
- congresses (2)
- design and construction (2)
- encyclopedias (2)
- hubble space telescope (spacecraft) (2)
- methodology (2)
- optical instruments (2)
- optics (2)
- telescopes (2)
- x-ray astronomy (2)
- 推销 (2)
- 方法 (2)
- 结构设计 (2)
- accretion (astrophysics) (1)
主题
| 1. |
|
|
|
| 2. |
|
|
|
| 3. |
|
|
|
| 4. |
|
|
|
| 5. |
|
|
|
| 6. |
|
|
|
| 7. |
|
|
|
| 8. |
|
|
|
| 9. |
|
|
|
| 10. |
|
|
