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位列首位的是“雄安新区城镇高质量水环境持续保障关键技术研究技术榜单”。“水”是雄安新区的核心资源，随着新建片区开发建设工作不断推进，雄安新区城镇水系已初具规模，但水系运行初期生态系统薄弱，亟须建立一套涵盖水系建设运维技术、水系建设管控指标、水环境质量监测、水质风险预警的技术体系，持续保障雄安新区已建水系长治久清。