汇流区 meaning in Chinese

doab

A study on assessment of soil erosion in area of heihe river basin
黑河水库汇流区土壤侵蚀评判方法研究
Convergent area of main and branch
主支流汇流区
Essential features of the confluence in heiquan reservoir and its ecological measures
黑泉水库汇流区的基本特征与生态保护对策
Basic features and ecological protection countermeasures of heihe reservoir ' s confluent region
黑河水库汇流区的基本特征与生态保护对策
The common character is to change the solid interspace shape of surface soil to build the rainwater converge section ( afflux section ) and crop planting section and force the runoff of converge section flow to crop planting section together with the runoff of crop plant section for crop use
共同的特点是改变地表空间立体微地形下垫面建设汇流区(也叫集流区)和作物种植区，将汇流区的雨水径流叠加汇集到种植区进行利用，既利用汇流区的来水，又利用集流区的雨水。