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Through this study, the sustainable management hierarchical system of forest ecosystem was established, providing the frame of forest sustainable management which given dominance to the basic hydrology ecosystem processing of mountain forest. At the same time, this research brought forward the "double-cycle" mode maintaining the integrality of Tianshan Mountain forest ecosystem. Within all these studies, on one hand, through the research about the regeneration response to different disturbance types, the scientific measures concerning restoration and rebuilding of fragmentized landscape were supplied. On the other hand, t

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On the basis of present research,this research proffers the problems existed in the soil reclamation studies at present and the emphasis in the furth study.

在充分分析現(xiàn)有研究的基礎上提出了目前復墾土壤研究存在的問題和今后研究的重點中文字幕乱码电影免费一二三区。

Yuanpu Jin, professor and doctoral supervisor in School of Literary Studies, Renmin University of China, is the director of Cultural Creative Industry Research Institute of the university and executive director of Beijing Humanistic Olympic Games Research Base.

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In the face of such seemingly inconsistent and inconclusive evidence, policy makers are side-stepping the research (or relying only on those studies that support their positions) to move forward with teacher policies, often without the benefit of research to guide their efforts.

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The first chapter is about the ontology research of the connectives for purpose, and made a further in depth research for the syntax, which is based on the previous studies.

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Nutrilite Health Institute has collaborated in clinical studies and research projects with more than 30 research sites worldwide.

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Kenneth Hewitt is professor emeritus in geography and environmental studies and research associate at the Cold Regions Research Centre at Wilfrid Laurier University in Ontario, Canada.

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Kenneth Hewitt is professor emeritus in geography and environmental studies and research associate at the Cold Regions Research Centre at Wilfrid Laurier University in Ontario, Canada.

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