现有河道 meaning in Chinese
existing waterway
Examples
- The dissertation focus on the main conflict of flow and sediment change , by analyzing the flow and sediment features , and change in rivercourse of typical period in histry , collecting the data of riverbed change . according to the flow and sediment change condition , combining the existed water works , and based on the results of former researches , the study are conducted on the law of flow state change by comparing rivercourse conditions before and after the completion of sanmenxia project , which may provide some idea for flow state change when xiaolangdi project completed and put into operation and some basic clue for the prediction of variation trend of river section from tiexie to shendi , from shendi to tieqiao near zhengzhou , from tieqiao near zhengzhou to dongbatou , from dongbatou to gaocun and so on in the year 2010 and the period 2010 to 2020 . the result may provide some reference for flood control of these wangdering river sections , and some guidelines for planning of water projects and arrangement of project sequence
本课题紧紧抓住小浪底水库运用后水沙变化这一主要矛盾，通过分析研究以往典型时期的水沙特点和河道演变特点，收集分析河床边界条件变化资料，小浪底水库运用后水沙资料变化，结合现有河道整治工程建设情况，总结前人的研究成果，重点研究三门峡水库运用后下游河道河势变化的规律和特点，探索小浪底水库运用后下游河势变化情况，分析预测游荡性河道铁谢至神堤、神堤至郑州铁桥、郑州铁桥至东坝头、东坝头至高村等各个河段在2010年， 2010年至2020年期间的河势变化趋势，为分析游荡性河段的防洪形势，指导河道整治工程建设的规划和工程安排提供决策参考和依据。