表 4. The comparison results of F2 values with standard deviations in the nasal finals for hearing loss group and control group (n = 10).

两组受试者普通话鼻韵母的 F2 比较结果（ ）（n = 10）

组别	F2/Hz
	a			e
	an	ang		en	eng
听障学生	1 343.930 ± 126.193	1 317.626 ± 139.052		1 394.790 ± 220.844	1 406.962 ± 153.803
对照组	1 464.670 ± 101.830	1 080.948 ± 106.554		1 473.240 ± 79.192	1 114.374 ± 70.901
t 值	2.398	–4.521		1.105	–5.545
P 值	0.028	< 0.001		0.283	< 0.001