进入新世纪,如何解决日益紧迫的人口、资源、环境与工业化和城镇化加快、经济快速增长的矛盾,是全人类共同面临的严峻挑战。在建筑的建造和使用过程中,需要消耗大量的能源资源,如何节约能源资源,提高使用效率,努力缓解能源资源短缺的矛盾,保护和改善环境,各国都根据自己的国情 In the new century, how to deal with the increasingly urgent contradictions of population, resources, environment and industrialization, accelerating urbanization and rapid economic growth are all harsh challenges common to all mankind. In the construction and use of the building, it needs to consume a large amount of energy resources, how to save energy resources, improve the efficiency of use, and strive to ease the contradiction between the shortage of energy and resources, and to protect and improve the environment. All countries, according to their own national conditions