求翻译：本文通过参阅前人的研究成果，综合国内外的研究进展，分别从生态服务功能的定义与分类、生态服务功能的价值评估及其相应的评估方法等方面对目前生态系统服务功能的研究现状做了综述。是什么意思？

See the results of previous studies, the research progress at home and abroad, respectively, from the definition and classification of ecosystem services, valuation of ecosystem services and their corresponding assessment methods, current research status of the ecosystem services reviewed.

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This article through refers predecessor's research results, synthesizes the domestic and foreign research progress, separately from the ecology service function definition and classified, the ecology service function value appraised and aspects and so on corresponding appraisal method have made the

The research results of this paper refer to the predecessor, the composite progress at home and abroad, respectively, from the definition and classification of ecosystem services, ecological service function of valuation and evaluation method on ecosystem service function of summary of research done

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