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This product can detect words like " hello" spoken by children and train children's self - confidence. At the same time, children's self-confidence can be reflected through the increase of the leaves of young trees, giving children a sense of satisfaction and participation.
Jiangxi University of Finance and E
Jiangxi Nan Chang, China
JINGXIN LI,
Jiangxi University of Finance and E
TINGXI HUANG,
Jiangxi University of Finance and E
QIYU MA,
Jiangxi University of Finance and E
JINGJING YANG,
Jiangxi University of Finance and E