冻土

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意思解释:(Frozen earth)低于冻结温度的土壤,表层冻结成硬块。 今按冻结的持续时间分为暂时性冻土、季节性冻土和多年冻土。

冻土的意思

所含水份被冻结成冰的土壤和疏松岩石。按冻结保持时间,分为暂时性冻土、季节性冻土和多年冻土(永久冻土)三类。我国多年冻土主要分布于西藏、东北、西北地区。…

冻土是什么意思

Place is hydrous the portion is mixed by glaciated soil loose rock. By freeze hold time, cent is provisionality frozen earth, seasonal frozen earth and old frozen earth (permanent frozen earth) 3 kinds. Our country old frozen earth basically distributings at area of Tibet, northeast, northwest. ...

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