简论《中图法》第四版类目复分组号加“0”的问题

Classification Plus "0" in Chinese Library Classification of the Fourth Edition

在分类标引中,《中图法》分类号中的“0”起着分类标准转换的标识作用,但由于“0”在类目编号中的问题和某些统一加“0”的规定,使得分类标引中“0”的使用存在复杂的状况。

In the class numbering of Chinese Library Classification, the umber “0” is helpful to transfer the classification standard from one to the other. There are some complicated situations in the use of number “0” because of some specifications about the adding of “0”.