以下为句子列表:
英文: Artifical improvement of soil fertility in a regraded forest ecosystem by using municipal sewage sludge.
中文: 城市污泥对退化森林生态系统土壤的人工熟化研究
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英文: Analyses of Improvement of Soil Physical,Chemical Properties in Ecology Rehabilitation Engineering Area
中文: 生态修复工程实施后对土壤理化性质改善效益初探
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