河流生态类型划分
classification of ecological rivers
河流生态恢复
river’s ecological restoration
河流生态环境需水量
river eco-environment water demand
河流入海物质通量
Material Flux From River to Sea
河流平衡剖面
fluvial balanced cross section
河流泥沙颗粒分析方法
river sediment grain size analysis method