 |
| |||
| geological period (MichaelBurov) | |||
| geosystem (MichaelBurov) | |||
| geological system | |||
| geologic system | |||
| geological system (("система" в геологии) A geologic system, or simply system, is a chronostratigraphic unit of geologic time more commonly referred to as a "period" or "geologic period" MichaelBurov) | |||
| геологическая система: 10 phrases in 7 subjects |
| Drilling | 1 |
| Energy industry | 1 |
| General | 1 |
| Geology | 1 |
| Mining | 1 |
| Oil and gas | 4 |
| Technology | 1 |