变动回水区 meaning in English
fluctuating backwater area
Examples
- River water quality in boluo section of the dongjiang river
山区冲积性河流变动回水区航道整治技术研究 - Improvement of navigation in fluctuating backwater area during construction of three gorges project
三峡工程施工期变动回水区航道整治 - In regulation works of mountainous channel , determination of designed lowest navigable water level of reach with fluctuating backwater area is a common problem
摘要变动回水区河段设计最低通航水位确定是目前山区航道整治工程中经常遇到的问题。 - Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of liujiaxia reservoir , the streamwise variation and variation process of median diameter of bed load during silting and scouring periods of the fluctuating backwater reach are analyzed , and it can be seen that the turning point for the sediment diameter variation from coarse to fine is located at the outlet of shigou gorge of the fluctuating backwater reach
摘要根据刘家峡水库变动回水区的河段地形特征和历年河床质泥沙粒径级配资料，分析了变动回水区河段淤积和冲刷时，河床质泥沙中值粒径的沿程变化和历年河床质泥沙中值粒径变化过程，并指出粒径分布由粗变细的转折点在变动回水区寺沟峡峡口处。 - Taking the reach with fluctuating backwater area in jiaokou hydroplant in xiujiang river , guanxi zhuang autonomous region for instance , this paper analyzes the water - sediment characteristics of the fluctuating backwater area , calculates the design level of this reach with samples of level and discharge , etc . , and propounds the determination method for the designed lowest navigable level of reach with fluctuating backwater area
以广西绣江交口电站的变动回水区河段为例，分析了变动回水区的水沙特性，分别利用水位、流量样本及不同方法计算与分析本河段的设计水位，提出了变动回水区河段设计最低通航水位的确定方法。