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古冻土
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古冻土
Encyclopedia
理学
〔第四纪沉积记录〕
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paleo-permafrost
古冻土
过去冻结,现已完全融化的土层。又称古多年冻土。
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Qingmuchuan Zhen
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Qingping pig
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Qing Poetry Remarks
Qing Pu
Qingpu Experiment
Qingpu Museum
Qingpu Qu
Qingpu Shan
Qingqiang Opera Troupe of Gansu Province
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Qingqing
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Qingqu
Qing Ren
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