1.
Eco-environmental Water Demand about the Main Current of the Huifa River in River Course;
辉发河干流河道生态环境需水量研究
2.
Function development and protection of riparian belts along middle stem of Haihe river;
海河干流中段河岸带功能开发与保护
3.
Impact of running water transport to the mainstream of the Tarim River on ecological efficiency of the river;
塔里木河干流输水运行对河流生态功效的分析
4.
Hydroelectric exploitation on the main stream of the Yellow River in Gansu Province and Regional Economic Development;
甘肃黄河干流水电开发与黄河流域经济发展
5.
Research on Eco-Environmental Water Requirement of Tarim Mainstream Watershed;
塔里木河干流流域生态—环境需水研究
6.
1-D Water Quality Simulation for Mainstream of Huaihe River (from Lu Taizi to TianJiaan);
淮河干流（鲁台子至田家庵河段）一维水质模拟
7.
Study on the Minimum Water Requirement of Eco-environment of the Yellow River Artery in Henan;
黄河干流河南段最小生态环境需水量研究
8.
Research on the Generalization Model of Typical Stream Segment on the Yellow River and Its Application;
黄河干流典型河段概化模型研究与应用
9.
Study on the Effect of Channel Leakage on Flood Routing of Dagu River
大沽河干流渗漏对河道洪水演进的影响研究
10.
2-D Water Quality Simulation for Mainstream of Huaihe River(from Lu Taizi to Tianjiaan)
淮河干流（鲁台子至田家庵河段）二维水质模拟
11.
Analysis on erosion and deposition in Wujiadu-Xiaoliuxiang reach of the main stem Huaihe River
淮河干流吴家渡至小柳巷河段泥沙冲淤分析
12.
Analysis on Sediment Transport Balance of Huaihe River Main Stream from Lutaizi to Wujiadu
淮河干流鲁台子至吴家渡河段输沙平衡分析
13.
The sections with Grade II ~ III water quality in the mainstream of the Huai River account for 66.7%.
淮河干流Ⅱ～Ⅲ类水质的断面占66.7%；
14.
A branch of a river that flows away from the main stream.
支流，分流从主干河流岔流出的支流
15.
Study on Hydrologic Drought Characteristics of Main Rivers in Weihe River Basin;
渭河流域主要河流水文干旱特性研究
16.
The river runs dry in the summer.
夏季河流的水变干了。
17.
. The river ran dry during the drought.
大旱期间河流干涸 ?
18.
This is really not a bad way to study geography: travelling to rivers, following their courses. Even I seem like a river.
这样干地理学可真不错，走向河流，沿着河流，连我自己也像一条河流。