Based on analysis of roof runoff quality in Shanghai, the treatment efficiency by sedimentation and filtration was investigated.
在分析上海市屋面雨水水质的基础上，研究了沉淀和过滤技术对屋面雨水的回用处理效果。
Using alternant dem the study raised a new method based on the relation of sedimentation and precipitation to acquire the amount of soil erosion on hillslopes.
笔者提出一种基于不同时相实测数据建立交互数字高程模型研究坡面土壤沉积与搬运间的量化关系的方法，进而获得小流域坡面不同时相间的土壤侵蚀量。
Influences of the regulation work on dynamic sedimentation in Jiaojiang Estuary, Zhejiang province, are analyzed based on measured hydro data.
根据椒江河口的水文测验资料，分析了整治工程对河口动力沉积作用的影响。
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