以下为句子列表：
英文: Abstract: The applications of chemically enhanced primary treatment process at home and abroad were reviewed.The experiments of urban sewage treatment by activated sludge process and CEPT-activated sludge combination process were presented.And the further
中文: 文摘:论述了城市污水化学强化一级处理法在国内外的运用成果，结合小试结果，比较单纯生物处理及化学强化一级处理与生物处理联合的区别，并提出了CEPT工艺研究的发展方向。
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英文: In a sense, the land ownership transformation is a redistribution and the recombination process of the countryside various social strata's benefits, and it is unceasingly reorganizing the social class structure which already exists.
中文: 摘要从某种意义上讲，地权变革是一个农村各阶层利益的再分配与重组过程，并不断重组着既有的社会阶层结构。
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