蔡伦造纸术是中国古代技术创新的重大成果,让国人自豪,位居“四大发明”之首。纸是世界传播文化的使者,记录人类文明的载体。可以说,纸对人类的贡献不亚于钢材和水泥,也远远超过今日影响人们生活的网络计算机。随着工业化社会的发展,纸已经成为人类生活不可或缺的必需品。在包 Cai Lun papermaking technology is a major achievement of technological innovation in ancient China, so that people proud of the “top four inventions.” Paper is the messenger of the world in disseminating culture and the carrier of human civilization. It can be said that paper contributes as much to human beings as steel and cement, and far exceeds the network computers that affect people’s lives today. With the development of an industrialized society, paper has become an indispensable necessity for human life. In the package