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| геосистема (MichaelBurov) | |||
| геологическая система | |||
| геологическая система (("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) | |||
| geological system: 5 phrases in 3 subjects |
| Astronautics | 1 |
| Mining | 1 |
| Oil and gas | 3 |