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   English
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noun | adjective | to phrases
permafrost ['pɜ:məfrɔst] n
agric. 常冻土
eng.geol. 永冰帶; 永凍帶; 永凍土; 多年凍土
hydroel.st. 永久冻土; 多年冻土; 永久冰冻
met. 永冻土; 永冻土层
railw. 多年冻土 (soil)
soil. 永冻; 常冻; 永冻层; 水冻地区; 永冻土壤
tech. 冻结土; 永冻状态
permafrost ['pɜ:məfrɔst] adj.
gen. ; 永冻土〔层〕; 永久冻结带; 永冻的; 常年冻结的
 English thesaurus
permafrost ['pɜ:məfrɔst] abbr.
abbr. permanently frozen ground
PERMAFROST ['pɜ:məfrɔst] abbr.
abbr., earth.sc. permanently frost
permafrost: 106 phrases in 13 subjects
Agriculture3
Bridge construction12
Desert science6
Drilling1
Earth sciences4
Engineering geology18
Environment1
Explosives and Explosive Ordnance Disposal2
Hydroelectric power stations4
Oil / petroleum6
Rail transport5
Soil science2
Technology42