中国机读目录通用格式（征求意见稿）编者按：随着软盘、光盘等新型介质的广泛使用，以往作为书目数据交换介质的０．５英寸工业磁带已被逐步淘汰。为适应现代信息处理技术的发展，必须对以磁带技术特性为基础而设计的传统Ｍ人ＲＣ格式进行重大改革。为此，广东省中山图书... China Machine Readable Catalog Common Format (Exposure Draft) Editor’s Note: With the widespread use of new media such as floppy disks and optical disks, 0.5-inch industrial tapes, previously used as bibliographic data exchange media, have been phased out. In order to adapt to the development of modern information processing technology, a major reform must be made in the traditional M-RC format based on the technical characteristics of tapes. To this end, Zhongshan, Guangdong Province books ...