对《中图法》第4版TN类—无线电电子学、电信技术类目修订的分析

Analysis on the revised categories-TN about wireless electronics,telegraphy in the 4th edition in Chinese library classification

本文对《中图法》第 3版、第 4版中的无线电电子学、电信技术类目进行了比较 ,总结出第 4版对无线电电子学。

Through the analysis and comparison of"Wireless Electronics?Telegraphic Categories"in the 3rd edition or the 4th edition of 《Chinese Library Taxon omy》,the paper summarizes some features about 4th edition of《Chinese Library T axonomy》.