As a new ecological treatment technique of eutrophication water,artificial floating-island(AFI) has won more and more attention.In this article,the present study condition,species and applied area of the AFI are introduced,the advantage and disadvantage of this method are compared.In the end,the development direction of this method is also discussed.
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The present study condition and trend of affecting factors of heavy metal's toxicity and the mechanisms of accumulation of heavy metals by fishes are mainly summarized.
着重阐述了重金属毒性影响因素和鱼类对重金属吸收和积累机理方面的研究现状和趋势。
The preface introduces the objective reality and present condition of the study, expounds the aim of studying duty crime.
本文在前言部分介绍了职务犯罪的客观现实和理论研究现状，阐述了研究职务犯罪的目的。
The purpose of the present study was to review the radiographic and clinical results of salvaging this condition through reduction and arthrodesis of the distal tibiofibular articulation.
目前研究的目的在于回顾胫腓骨远端复位融合治疗该疾患的影像学和临床结果。
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