不同材料的应用成为划分不同人类时代的里程碑,像曾经的石器时代、陶器时代、青铜时代和铁器时代等。现在正处在新材料技术高速发展的时代。材料是人类社会生存与发展的物质基础,它和能源、信息一起构成人类社会的三大支柱。人类社会正在走向知识经济时代,高新技术的涌现更需要一批新材料作为其物质基础并且为其服务,可以预见新材料的发展是必然的。 The application of different materials has become a milestone in the division of different mankind ages, like the Stone Age, the Pottery Age, the Bronze Age and the Iron Age. Now is the era of rapid development of new materials technology. Materials are the material basis for the survival and development of human society. Together with energy and information, materials constitute the three pillars of human society. Human society is moving towards the era of knowledge-based economy. The emergence of new and high-tech needs a batch of new materials as its material basis and serves them. It is foreseeable that the development of new materials is inevitable.