随着科学技术特别是计算机技术和网络技术的迅速发展,人类传承知识、思想和信息的技术手段和介质都发生了深刻的变化。就技术手段而言,经历了从雕版、泥活字、金属活字到照相排字、激光照排,从雕版印刷、凸版铅印到胶版印刷、数码印刷的发展。就介质而言,从传统的纸介质到现代 With the rapid development of science and technology, especially computer technology and network technology, profound changes have taken place in the technical means and media for the transmission of knowledge, thoughts and information to mankind. In terms of technical means, experienced from the engraving, clay movable type, metal type to phototypesetting, laser Phototypesetting, from the engraving, letterpress to offset printing, digital printing development. In terms of media, from traditional paper media to modern times