[Retracted] Automatic Evaluation Method of Oral English Based on Multiplex Mode

Table 1

Table of characteristic extraction factors.

	Feature name
1	sum_nlet
2	mcannlet
3	ntenn
4	median brown Freq
5	mcdian_aecFrcq
6	TTR
7	mcanlfidf
8	mean idf
9	Colcman-Liau
10	FleschKincaidGradeLevel
11	FIcshRcadingEase
12	Gunning
13	LIX
14	nphone_sum
15	nsyl_sum
16	sircss_O
17	strcss_2