The soil mesofauna tends to gather on soil surface, but the vertical migrating greatly varies in different seasons affected by climate condition, edatope, artificial factor and so on.
土壤动物具有表聚性,但是在不同季节,由于受气候条件、土壤环境、人为因素的影响,土壤动物的垂直分布有明显变化。
Through the research on condition, form, character and factor of surface movement induced by exploiting coal. The paper discusses the surface deformation of some coal mines in Shanxi province.
本文通过对采煤后地表移动和破坏的破坏条件、形式、特性,影响因素等方面的研究,对山西省部分矿区的地表变形进行了论证。
With smooth constraint condition of the welding pool surface and variable factor successive over relaxation(SOR) method, the height of welding p…
利用熔池表面光滑模型和变因子超松弛方法计算了熔池表面的高度。
With smooth constraint condition of the welding pool surface and variable factor successive over relaxation(SOR) method, the height of welding p…
利用熔池表面光滑模型和变因子超松弛方法计算了熔池表面的高度。
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