关键词: 多年冻土线;气候雪线;分布特征 [gap=1442]Key words: limit of permafrost;climatic snowline;features of spatial distribution
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On that basis, the primary features of spatial distribution of the forest line in China and its relations with the permafrost limits and climatic snowline are discussed.
在此基础上研究了我国森林线的空间分布特征及其与多年冻土线、气候雪线的关系。
Basic features and spatial distribution of physiochemical field of the pan water rock system were analyzed.
分析了泛水岩系统物理化学场的基本特征及其空间分布规律。
Based on 294 earthquake sequences with magnitude greater than or equal to 5.0 occurred in Chinese mainland since 1970, the spatial distribution features of sequence types have been studied.
利用中国大陆1970年以来记录相对完备的294次5.0级以上的地震序列,研究地震序列类型的空间分布特征。
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