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Quantitative Calculation and Analysis Eco-environmental Quality in Daqing City
徐太海 梁彦涛 秦姝冕 张国发 袁改霞 赵志远
Chinese Agricultural Science Bulletin . 2012, (35): 197 -203 .  DOI: 10.11924/j.issn.1000-6850.2012-1706