The process of soil genesis and bioclimatic environment of soil are the main factors affecting the contents of soil elements.
土壤发生过程和生物气候环境是影响土壤元素含量地域分异的主要因素。
Aim To analyze landslip characteristic and its genesis of expansive soil, discuss the slip model and forming mechanism.
目的分析膨胀土滑坡特征及成因，探讨膨胀土滑坡的滑动模式及滑坡发生的机理。
The sector of soil genesis and classification has been kept in a low profile for the last decade.
在过去十多年中，土壤发生和分类研究相对地处于非热点的地位。
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