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颁布单位：[University of Alberta] |
颁布时间：2012 |
实施时间：2012 |
学科分类：[Engineering, Permafrost, Climate]
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颁布单位：[University of Alberta] |
颁布时间：1979 |
实施时间：1979 |
学科分类：[Foundations, of, Buildings, Permafrost, Engineering, Engineering, in, Frozen, Ground]
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颁布单位：[University of Alberta] |
颁布时间：1973 |
实施时间：1973 |
学科分类：[Mackenzie, Delta, Permafrost,, Disturbance, by, Engineering, Works, Permafrost,, Effects, of, Thawing, on, Engineering, Works, District, of, Mackenzie,, NW, Permafrost, Northwest, Territories, Frozen, Ground]
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颁布单位：[University of Alberta] |
颁布时间：1973 |
实施时间：1973 |
学科分类：[Permafrost, Engineering, Engineering, in, Frozen, Ground, Frozen, Ground,, Structure, Frozen, Ground,, Composition, Permafrost,, Composition, Canada, Permafrost,, Structure]
效力级别
2012
