国音字母 (國音字母) guóyīn zìmǔ

guóyīn zìmǔ proper noun Phonetic Alphabet of the National Language
Domain: Linguistics 语言学 , Subdomain: China
Notes: Is the name of a phonetic transliteration for Chinese developed in the Republican period. It was renamed 注音符号, Zhuyin Symbols, in 1930 (Norman 1988, pp. 258-259).