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| Subject | English | Latvian |
| commun., astronaut., transp. | Earth exploration satellite service | Zemes izpētes satelītu dienests |
| fish.farm. | International Council for the Exploration of the Sea | Starptautiskā Jūras pētniecības padome |
| environ. | natural gas exploration Underground prospection conducted with various methods to discover natural gas deposits which are usually found in the immediate vicinity of crude petroleum | dabasgāzes iegulu izpēte |
| min.prod., energ.ind., oil | offshore exploration | izpēte atklātā jūrā |
| environ. | oil exploration No definition needed | naftas iegulu izpēte |
| econ. | petroleum exploration | naftas meklēšana |