 |
| |||
| яркость неба | |||
| светимость неба | |||
| sky brightness: 8 phrases in 6 subjects |
| Astronomy | 3 |
| Electronics | 1 |
| Mass media | 1 |
| Physics | 1 |
| Technology | 1 |
| Telecommunications | 1 |
|
| |||
| яркость неба | |||
| светимость неба | |||
| sky brightness: 8 phrases in 6 subjects |
| Astronomy | 3 |
| Electronics | 1 |
| Mass media | 1 |
| Physics | 1 |
| Technology | 1 |
| Telecommunications | 1 |