Title: Xian dai tong xin yuan li
Description: Ben shu jie shao le xian dai tong xin ji shu de ji ben yuan li, bao gua tong xin xi tong ji ben gai nian, xin xi lun chu bu, mo ni diao zhi, yu yin bian ma, duo lu fu yong, shu zi ji dai chuan shu, shu zi diao zhi he cha cuo kong zhi bian ma deng.
Subjects: Telecommunication, Tong xin li lun, Jiao cai, Gao deng xue xiao