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污化层
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污化层
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dust layer
污化层
在冰川或雪坑内,用肉眼可观测到的暗色杂质层,主要为大气颗粒物通过干、湿沉降沉积于冰川表面后聚集形成,杂质层在冰川垂直剖面有规律的呈层状分布的冰层。
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land reclamation project design
land reform
Land Reform Act of Peru
Land Reform and Immigrant institute of Ecuador
land reform in China
Land Reform Movement
Land Reform of Nasser
land registration
land rent
land rent and competitive rent theory
land rent theory
land requisition of water resources project
land reserve system
land resource map
land resource remote sensing
land resources
land resource science
land resources engineering
land resources management
land resources of China
land resources satellite
land resources use
land resource zoning
land return
Land Rights Case over the Gove Peninsula
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更新时间:2026/9/2 5:21:18