 |
| |||
| total space | |||
| 全空间: 50 phrases in 13 subjects |
| Air defense | 3 |
| Aviation | 4 |
| Business | 1 |
| Computer networks | 2 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 6 |
| General | 1 |
| Rail transport | 2 |
| Space | 11 |
| Technology | 10 |
| United Nations | 3 |
| United States | 5 |
|
| |||
| total space | |||
| 全空间: 50 phrases in 13 subjects |
| Air defense | 3 |
| Aviation | 4 |
| Business | 1 |
| Computer networks | 2 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 6 |
| General | 1 |
| Rail transport | 2 |
| Space | 11 |
| Technology | 10 |
| United Nations | 3 |
| United States | 5 |