据有关文献调查，目前，我国每年引进的外文图书约10万种；原版科技期刊为五．6万种。另据1994年《中国统计年鉴》记载，截止1993年底，中文期刊已高达7011种。可见种类极多，稍有疏忽，就有漏订和重订的现象发生。要克服漏订和重订的现象发生，应建立一套方便实用，又能长期使 According to the relevant literature survey, at present, there are about 100,000 foreign language books introduced each year in our country; the original scientific and technical periodical is five. 60,000 kinds. According to the 1994 China Statistical Yearbook, as of the end of 1993, Chinese periodicals had reached 7,011. We can see a lot of types, a slight negligence, there are missed and re-set the phenomenon occurred. To overcome the omission and re-establishment of the phenomenon, a set of convenient and practical measures should be set up to enable long-term use