 |
| |||
| ring system (планет); system of rings; ring pattern | |||
| система колец: 32 phrases in 13 subjects |
| Astronomy | 4 |
| Computer networks | 2 |
| Construction | 5 |
| Electronics | 2 |
| Fishery fishing industry | 1 |
| Gyroscopes | 2 |
| Makarov | 2 |
| Nanotechnology | 1 |
| Nautical | 2 |
| Physics | 1 |
| Security systems | 1 |
| Technology | 4 |
| Transport | 5 |