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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℃。
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space time optics
spacetime optics
spacetime point
space time quantization
space-time reference systems
space-time reversal
spacetime reversal
space-time singularity
spacetime singularity
space-time symmetry
spacetime symmetry
spacetime view
spacetime wave
space toxicological effect
space tracking, telemetering and command center
Space tracking, telemetering and command center net Management Center
space transformation
space transformation of existing building
space translation invariance
space transportation
space transportation system
space transportation vehicle
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