十年缩微技术工作回顾全国图书馆文献缩微复制中心刘士华缩微摄影技术在我国已经有五十多年的历史了。早在四十年代，北京图书馆率先从美国引进了系列化的成套缩微设备，开创了我国制作缩微品的时代，为中国图书馆缩微事业的振兴与发展，奠定了良好的基础。相隔四十年后，... Ten years of microfilm work review National Library of Literature microfilm replication center Liu Shiju microfilm technology in our country has more than 50 years of history. As early as the 1940s, the Beijing Library took the lead in introducing a series of complete sets of microfilm equipment from the United States, opening up an era of microfilming in our country and laying a good foundation for the revitalization and development of the microfilm in the Chinese library. After forty years, ...