吉林工程技术师范学院信息工程学院；

College of Computer Science and Technology; Jilin Teachers Institute of Engineering and Technology; Changchun 130052; China;

youdao

吉林工程技术师范学院信息工程学院；

College of Computer Science and Technology; Jilin Teachers Institute of Engineering and Technology; Changchun 130052; China;

youdao