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青藏高原多年冻土区
释义
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℃。
随便看
polymorphism in morphology and structure of weed
polymorphism of polymer
polymorphonuclear cell
polymorphonuclear granulocyte
polymorphonuclear leukocyte
polymorphonuclear leukocyte; polymorphonuclear cell
polymorph patent
polymorphs of drug
polymorphy
poly(m-phenylene isophthalamide) fiber
polymyarian type
polymyositis and dermatomyositis
polymyositis and dermatomyositis associated with malignancy
polymyxin
poly (N-acetyl glucosamine)
polynary
polynary alloy
Polynesia
Polynesian
Polynesian Aboriginal Art
Polynesian Art
Polynesians
polynier ferric sulfate
polynilpotent
polynilpotent group
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