最初是大量纸张的使用。直到本世纪２０年代，人们意识到纸张太多了，人们需要的是信息，而并不一定是以纸这种形式。由此缩微胶片作为承载纸张和信息的媒介应运而生。人们曾认为这是一种理想的选择，但纸张所承载的信息，９０％还仍然存留在纸上。随着时间的推移，缩微技... Originally a lot of paper used. It was not until the 1920s that people realized there was too much paper, and what people needed was information, not necessarily in the form of paper. As a result, microfilm came into being as a medium for carrying paper and information. People used to think this was an ideal choice, but 90% of the information carried by the paper still remained on paper. With the passage of time, microfilm ...