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青藏高原多年冻土区
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青藏高原多年冻土区
Encyclopedia
理学
中国的冻土
释
permafrost region of Qingzang Gaoyuan
青藏高原多年冻土区
世界中、低纬度地带海拔最高(平均4000米以上)、面积最大(150万平方千米)的冻土区。年均温度最低-5~-4℃,冻土厚度达一二百米;地温年变化深度由6~17米;细颗粒冻土层温度比粗颗粒土低,在高原上要差1~3℃。
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algebraic coding
algebraic coding theory
algebraic cofactor
algebraic coherent sheaf
algebraic cohomology class
algebraic combinatorics
algebraic complement
algebraic complete partial order
algebraic complete partial order, algebraic CPO
algebraic completion
algebraic complex
algebraic complexity
algebraic computation
algebraic computation tree
algebraic computation tree complexity
algebraic cone
algebraic congruence
algebraic conjugate number
algebraic conjugate space
algebraic connectivity
algebraic construction
algebraic correspondence
algebraic correspondence ring
algebraic CPO
algebraic criterion
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