The characteristics of flood disaster evolution in the Weihe River valley are analyzed. 分析了渭河流域洪水灾害的环流形势演变特征。
At the same time, the concept of ecological and environmental water demand of Manasi River valley is identified. 在总结国内外关于生态和环境需水研究的基础上,本文界定了玛纳斯河流域生态与环境需水的内涵。
The river-valley cities are a kind of cities which main part is formed and developed in a river valley. 河谷(RV)型城市是城市主体在河谷(RV)中形成和发育的一类城市。
The analyses of flooding disaster in the Changjiang River Valley(RV) in1998. 1998年长江流域洪涝灾害分析。