人民网：水利部答人民网记者问：数字孪生水利体系建设让治理成效惠及于民

Group 1 - The core viewpoint of the articles highlights the significant advancements in the construction of digital twin water conservancy systems, which have led to tangible improvements in water management and governance, directly benefiting the public [1] - The application of high-resolution remote sensing satellites, drones, and intelligent video recognition technologies has strengthened the monitoring and management of river and lake areas, resulting in historical improvements in the landscape and enhancing public satisfaction and safety [1] - Digital twin technology allows for continuous tracking and comparison of illegal activities affecting water bodies, enabling timely detection of emerging issues and reducing the difficulty and cost of problem resolution [1] Group 2 - Digital twin irrigation systems support precise management of water resources, optimizing irrigation schedules and reducing water usage, as demonstrated by the successful case of the Dujiangyan irrigation area in Sichuan [2] - The Anhui Shishihang irrigation area achieved significant water savings of 310 million cubic meters and direct economic benefits of 72 million yuan despite lower rainfall compared to the previous year [2] - The construction of digital twin systems has notably improved urban and rural water supply security and operational efficiency, exemplified by Zhejiang's comprehensive monitoring system covering over 7,900 water supply plants and 98% of the population [3]