) x4 {5 |8 Q) B) ?' u3 ?$ v( Z# f# `The phonology of Standard Mandarin is based on the Beijing dialect of Mandarin . R' z+ ?9 J7 _- o6 }% W3 U5 `. G5 t# ]$ ?, a http://baike.baidu.com/view/4591.htm?fr=ala0_1_1 % Q0 P. C. n" a0 Z( P9 x: ?5 L# n. A 7 b3 T4 b0 C( P" l- p, c6 }普通话以北京语音为标准音,以北方话为基础方言,以典范的现代白话文著作为语法规范