随着科学的发展和社会的进步 ,不同国家不同文种之间科技交流日益频繁 ,知识资源和科技信息的国际化日趋成熟。因此 ,每种期刊都应该有一个为全世界所公认的、唯一的标识代码 ,以供期刊的管理、发行、收藏和检索机构使用。我国现发行的具有中国标准刊号的期刊 ,其代码都是由国? With the development of science and society, exchanges of science and technology between different languages ​​in different countries have become increasingly frequent, and the internationalization of knowledge resources and scientific and technological information has matured. Therefore, each journal should have a globally recognized, unique identification code for use by its management, distribution, collection and retrieval agencies. China’s current issue of China’s standard issue of journals, the code is from the country?