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Effect of Restoration on Intensive Ponds by Multilevel Bio-system with the Method of Principal Component Analysis
范立民 吴伟 胡庚东 瞿建宏 孟顺龙 裘丽苹 陈家长
Chinese Agricultural Science Bulletin . 2010, (23): 392 -396 .  DOI: 10.11924/j.issn.1000-6850.2010-1439