“road in permafrost region”的概念、定义、翻译、参考文献-科学参考

单词	road in permafrost region
释义	road in permafrost region Encyclopedia 工学〔特殊地区筑路〕释 road in permafrost region多年冻土地区道路在土温低于摄氏零度和具有地下冰的条件下，地下形成一层能持续多年保持冻结状态的土称多年冻土。
随便看	transition state theory (TST) transition-state wave packet method transition surface transition system transition temperature transition time transition town movement transition width transition with prohibitions transition with taboo states transition zone transitive transitive action transitive binary relation transitive class transitive closure transitive design transitive digraph transitive embedding theorem transitive extension transitive functional dependency transitive graph transitive group transitive group action transitive group of motions

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