Description on the correlation of aerobic basin in activated sludge treatment system to secondary sedimentationbasin from bioflocs breaking and incorporated in its mechanism were presented.
从生物絮体的破碎和结合机理，阐述了活性污泥法处理系统中曝气池和二沉池的相关性。
2
The difficulty for analysing basinsedimentation is how to control the horizontal variation of continental strata.
如何控制陆相地层横向不稳定性，是盆地分析的难点。
3
The tectonic evolution controlled the subsidence, sedimentation, pyrogenesis and structure framework of the basin.