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【热点背景提示】2006年中共中央明确提出构建“节约型”社会的整体构想,强调能源、矿产、水、土地等自然资源,是经济社会可持续发展的物质基础和保障。出台了切实保护和合理利用各种资源,提高资源利用效率：大力节约用水,积极推广节水设备和器具,推进污水处理及再生利用；大力节约原材料,使用再生材料,提高原材料利用率；推进资源综合利用；
[Background of Hot Spots] In 2006, the Central Committee of the Communist Party of China clearly proposed the overall concept of building a “economized” society, emphasizing natural resources such as energy, minerals, water, and land as the material basis and guarantee for sustainable economic and social development. Promulgated effective protection and rational use of various resources to improve the efficiency of resource use: vigorously save water, actively promote water-saving equipment and appliances, promote sewage treatment and recycling; vigorously save raw materials, use recycled materials, improve the utilization of raw materials; promote resources Comprehensive utilization;