The Potomac is a major river flowing through Washington, D.C.

波托马克河是流经华盛顿特区的一条主要河流。

There is the Amazon, Paraná, and San Francisco three major river systems.

有亚马逊、巴拉那和圣弗朗西斯科三大河系。

The water quality and volume of the major river such as Qingshui River, Duijia River and White Maguan River had been measured and their nutrient contribution to the reservoir had been calculated too.

在河流方面，监测课题所要求的主要入库河流，清水河、对家河、白马关河的水质水量情况，掌握了它们对水库的营养元素贡献量。

The integrated management of a major river basin can mean many things to many people.

主体流域综合管理对于每个人意义都不同.

Across the planet, one major river in 10 no longer flows into the sea for several months of the year.

地球上每十条大河就有一条每年数月不能流进大海。

Based upon river basin management, France has established special Water Parliaments and Water Agencies in its six major river basins to give an integrated management on its water resources.

法国的水资源管理是以流域管理为基础的，全国六大流域分别设有“水议会”和水务局，从整体上对水资源进行管理。