本文作者通过对北京市、河北省石家庄市和河北省州市 (县级市 )三地区的调查 ,发现了普遍话舌面塞擦音t 、t ′ 发音部位前移的一些新问题 :“前移”分布面积较广 ,并且不限于北京的女青年 ;初中一年级是“前移”的转折时期 ;“前移”与发音方法有关 :擦音 的前移频率最高 ,送气音t ′次之 ,不送气音t 最低 ;“前移”与语速有关。 Based on a survey of three districts in Beijing Municipality, Shijiazhuang Municipality in Hebei Province and Zhuozhou Municipality in Hebei Province, the authors found some new problems that the articulation of t and t ’ Forward “distribution area is wider, and is not limited to young women in Beijing; junior high school is a” forward “transition period;” forward “and pronunciation method: fricative frequency of the highest forward, It is not the lowest sound pressure t; ”forward" and speed-related.