1·If you are trying to manage it, you must first divide your area of concern into drainage basins.
如果你想要操控水，你必须先把那些你所关注的地区划分成一个个地势上的盆地。
2·China has long coastline and drainage basins, rich resources of waterage promote the flourish of ports.
我国有着漫长的海岸线和内河流域，丰富的水路运输资源促进了港口业的蓬勃发展。
3·The karst yield of drainage basins is calculated with the method of obtaining the amount of rainfall penetration.
采用降水入渗补给量的方法进行岩溶水的产流计算。
4·It is shown by example that this is a new and effective method for runoff production forecasting in drainage basins.
实例表明这是流域产流预报的一种有效的新方法。
5·The use of catch basins and pipes as well as other internal drainage techniques has only fostered a less than "studious" attempt at developing a proper routing.
集水井与管道的运用和其它排水技术的运用也仅仅是在做一个好的规划方面鼓励了一点“热心的”尝试。