冀北、晋北及其毗邻地区气候区划若干问题研究——多元统计分析方法在区域自然地理研究中的应用
Studies on Some Problems about Climatic Regionalization in the North of Hebei and Shanxi Provi-nces and Adjoining Region ——The Application of Multi-vatiate Statistics Analysis Methods to Regional Physical Geography
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