晚石炭纪,沉积岩(整块岩石经风、水的外力侵蚀,然后均匀沉淀而形成)广泛分布于那些有可能反复被洪水侵袭的地区;
During the Late Carboniferous, sedimentary rocks—rocks eroded by wind and water and deposited as fine sediments—carpeted much of the region, which might have been partially flooded from time to time.
影响侵蚀产沙过程的因素在时空上具有很大的不均匀性和变异性,增加了不同尺度间侵蚀产沙模拟的复杂性。
Factors affecting the processes of soil erosion and sediment yield have more asymmetry and variability and enhance the complexity of modeling sediment yield in different scales.
直流潜在应用到电极的间隔均匀扭转,以鼓励其祭祀侵蚀。
A DC potential applied to the electrodes is uniformly reversed at intervals, to encourage sacrificial erosion thereof.
黄土有大空隙和湿陷性,在受水侵蚀后,就会产生很大的变形,引起不均匀沉降,造成建筑物的破坏。
Loess is featured with spacing and collapsibility, which will lead to serious distortion and asymmetry settlement and make buildings be destroyed as being eroded.
二维流场计算与实验结果对照说明,流速分布不均匀是造成侵蚀燃烧不均匀的主要原因。
From comparison between the calculational results and experimental data it is concluded that the nonuniformity of the erosive burning comes mainly from the nonuniformity of the velocity distribution.
二维流场计算与实验结果对照说明,流速分布不均匀是造成侵蚀燃烧不均匀的主要原因。
From comparison between the calculational results and experimental data it is concluded that the nonuniformity of the erosive burning comes mainly from the nonuniformity of the velocity distribution.
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