1Study on the scientific and technological connotation and innovative practices of the Hongqi Canal projectSubject Group on"Excavation of Scientific and Technological Connotation of the Hongqi Canal"Special Focus1-162Thought and path exploration of building a human-water system community with a shared future togetherZuo Qiting, Cheng Yan, Ma JunxiaForefront17-21,333Promoting water-saving industry development through contract-based water-saving managementYang Guohua, Chen MeiWater-Saving22-254Practices of in-depth water conservation and control in Guangrao County of Shandong ProvinceLiu Fusheng, Jia HuiyingWater-Saving26-295Background and main contents of the revision of the Directive for Technique of Water Metering and suggestions for its implementationMa Chao, Shen XiqiWater Resources Management30-336Analysis of key issues in delineating groundwater depression cones in Hebei ProvinceZhao Weiling, Tang Liqiang, Li Xiaoming, Gao ChunxingWater Resources Management34-377An exploration of high-quality development of ecologically-sound and clean small watershedsQiao DianxinWater and Ecology38-418Requirements and countermeasures for the protection and governance of the ecological environment of rivers,lakes and reservoirs in the new stageShi Xiaoxin, Wang XiaohongWater and Ecology42-459Summary and reflection on the mid-term construction effectiveness of the Ecological Belt in GuangdongXiao Xun, Hu Xiumei, Tan Chao, Huang Bensheng, Wu LiuyunWater and Ecology46-5310Study on soil erosion prevention and control in construction projects in ShanghaiZhang Lujun, Su Xiang, Shi Mingxin, Xu Xiaoli, Wang Chao, Fan ChunyingWater and Ecology54-5711Application and discussion of digital twin technology in the Shule River BasinZhang JianxinWater Resources Informatization58-6212Digital twin basin asset operation management system construction practice in the Yongding RiverDeng Yanli, Wang LichaoWater Resources Informatization63-6513Practice and reflection on talent team construction of the Jiangdu Water Conservancy HubMeng JunWorking Experience Exchange66-6814Practice and optimization management recommendations for monitoring the performance of Water Resources Development Funds in Shandong ProvinceShi Weinan, Li RuiqingWorking Experience Exchange69-72 