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arctic basin
G1-922
2
Geography (General)
2
digital television complex
2
envir
2
geo
2
ice age
2
ice charts validation
2
ice concentration
2
ice condition forecast
2
ice monitoring network
2
ice thickness
2
nuclear icebreaker «50 let pobedy»
2
sea ice concentration
2
sea ice thickness
2
ship observations
2
shipborne sea-ice observations
2
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