 |
| |||
| variable-area | |||
| variable area | |||
| 可变面积: 13 phrases in 8 subjects |
| Aviation | 3 |
| Earth sciences | 1 |
| Electronics | 2 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Space | 1 |
| Technology | 3 |
|
| |||
| variable-area | |||
| variable area | |||
| 可变面积: 13 phrases in 8 subjects |
| Aviation | 3 |
| Earth sciences | 1 |
| Electronics | 2 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Space | 1 |
| Technology | 3 |