Zhang shiming graduated from beijing university of posts and telecommunications in 1983 and is now working with beijing long - distance telephone bureau . he has been in the field of technical management for tv transmission and conference tv for a long time . senior engineer 张世明1983年毕业于北京邮电学院，现供职于北京长途电话局，长期从事电视传输和会议电视的技术管理工作。
