Cataloguers always ignore field indicator in MAC, and this lead to appear error in subfield or unrealized field function.
机读目录的字段 指示符往往被编目员忽视，从而导致了子字段数据出现错误或字段功能无法实现。
2
There are many confused problems in the work of literature cataloging. So, cataloguers' rational thinking about these problems aroused.
在文献编目工作中，存在着诸多令人困惑的问题。如何解决此问题引起了编目者理性的思考。
3
Based on working experience, the author thinks cataloguers, who work on non-universal language books, should identify data sources, give full play to their initiative and take readers as orientation.