该子课题是《我国水资源的可持续发展》研究课题的六个子课题之一,是由全国政协“人口、环境、资源委员会”于1998年7月提出的。 水资源的可持续发展是我国社会经济可持续发展的基本前提和重要保证。它的子课题“城市水资源的合理利用和节约用水”涉及开源和节流、水量和水质等多方面的协调统一,并要满足当前需要和未来目标,意义 This sub-project is one of the six sub-topics of the research project on “Sustainable Development of Water Resources in China” and was proposed by the CPPCC National Committee on Population, Environment and Resources in July 1998. The sustainable development of water resources is the basic prerequisite and important guarantee for the sustainable development of social economy in our country. Its sub-topic, “Rational Utilization and Water Conservation of Urban Water Resources” involves the coordination and unification of various aspects such as opening up and water saving, water quality and water quality, etc., and needs to meet current needs and future goals, meaning