2 s) m6 i; a) |+ g" v5 F+ `6 Z. nThe phonology of Standard Mandarin is based on the Beijing dialect of Mandarin 4 A/ R+ W8 a1 [" D9 u$ k# B# I3 V2 I http://baike.baidu.com/view/4591.htm?fr=ala0_1_1 ( J3 b% ^9 R2 _! w% W( X ! l u5 {3 u- e7 x" W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