| 1. | Some plains rivers regularly fertilize and irrigate surrounding areas with their floods .
有些平源河流不断地以其洪水培肥和灌溉着周围的地区。 |
| 2. | Relationship between river structure of plain river net and water purification capacity
平原河网河道结构与水体自净能力关系实验研究 |
| 3. | With a big flow rate , it is suitable for the use of plain river network area and hilly irrigation and drainage , piscina water supply and drainage industrial water supply and drainage
本产品流量大，适用于平原河网地区和丘陵灌区，特别适用于农田排灌、鱼塘供排水及工业供排水。 |
| 4. | The land in yellow river plain river is vast , and the topography are level , and it is long to draw yellow river history irrigating , and has the famous wei ning , bronze gorge , inner mongolia bend of a river and soil special river irrigated area
黄河平原河段两岸土地辽阔，地势平坦，引黄灌溉历史悠久，有著名的卫宁、青铜峡、内蒙古河套和土默特川灌区。 |
| 5. | The characteristics and output rules of nitrogen and phosphorus loss of rainfall runoff in farmland of typical plain river - net area were studied through the field survey and the fixed location monitoring of the concentration of nitrogen and phosphorus
摘要通过对研究区降雨径流中氮、磷浓度的野外实验和定点监测，研究典型平原河网区的农田降雨径流氮磷流失特征及其输出规律。 |
| 6. | The main research contents of the paper involve : establishment of real time forecasting system of taihu lake basin ; forecasting method for the tidal levels along yangtze river and hongzhou bay ; model mechanics of flow generation and confluence forecasting ; forecasting model mechanics of flow dynamics in plain river networks of taihu lake basin ; case study of real time flood forecasting and control in taihu lake basin
本文所研究的内容主要概括如下： 1 )太湖流域实时预报调度系统的建立与开发机制； 2 )沿长江及杭州湾潮位预报方法； 3 )太湖流域产汇流预报模型机理； 4 )太湖流域平原河网水动力学预报模型机理； 5 )太湖流域实时洪水预报与调度实例研究。 |
| 7. | The main features in the study of flood forecasting and control system are as follows : ( 1 ) runoff generating and confluence theory and hydro - dynamic method are adopted to predict the water level of taihu lake and key nodes , the basin wide forecasting and control system with the function of real time correction has been first established in plain river network to meet the complicated flow conditions of taihu lake basin and to enhance the reliability of forecasting results ; ( 2 ) according to the rainfall in foreseen period multiple schemes can be made in the forecasting model and adjusted with time , which overcomes the errors caused by the uncertain rainfall in the foreseen period so as to make the forecasting results approach reality
本文所研究的预报调度系统有如下特点： ( 1 )本系统采用产汇流理论和水动力学方法预报太湖及重要节点水位，首次在平原河网地区建立了具有实时校正功能的全流域预报调度系统。以适合太湖流域复杂的水力条件，增强预报的可靠性; ( 2 )预报模型可以根据预见期降雨量进行多方案预报，并随时间推移，可以实时进行调整，克服由于预见期降雨不确定引起的误差，使预报结果更接近实际。 |
