机译:环境保护研讨会选定的摘要与多年冻土地区的经济发展有关(Okhrana Okruzhaiuschei sredy v sviazi s Khoziaistrennym Osvoeniem Oblasti Rasprostraneniia mnogoletnemerzlykh porod)。
Permafrost; Environmental protection; Civil engineering; Environmental management; Environmental engineering; Protection; Pipelines; Conservation; Buildings; Foundations(Structures); Construction; Heat exchangers; Ecology; Vegetation; Agriculture; Drainage; Mines(Excavations); Coal; Hazards; Railroad tracks; Highways; Abstracts; Symposia; USSR; Translations;
机译:环境保护任务和多年冻土地区的发展(Zadachi Okhrany Okruzhaiushchei sredy i Osvoenie Oblasti mnogoletnemerzlykh porod)。