随着科学研究的不断深入,特别是电子技术的迅速发展,把信息储存在纸张上的时代即将结束,一个电子媒体的“无纸”新世纪在不久的将来定会出现在人类的面前。 使用纸张储存信息有着明显的缺陷和不足:首先,图书和报纸等容量有限,十分笨重;其次,它们印刷费用昂贵,复制起来也较困难;第三,查阅麻烦,长期保存要求防火防水防虫,很不容易。特别值得指出的是,造纸需 With the deepening of scientific research, especially the rapid development of electronic technology, the era of storing information on paper is coming to an end. The new era of “paperless” for an electronic media will certainly appear in the near future for mankind. There are obvious shortcomings and deficiencies in the use of paper to store information: first, books and newspapers have limited capacity and are bulky; secondly, they are expensive to print and difficult to copy; third, they are troublesome and require long- not easy. Of particular note is the need for papermaking