| 2. | The targeted readership of digital communication world includes : managers and technical personnel in administrative departments of various levels of the ministry of information industry , ministry of radio , film and television , ministry of aviation and space , and defense industry ; users of proprietary networks of maritime , transportation , petroleum , coal , water conservancy and public security ; communication operators , equipment manufacturers , equipment providers , system integrators , network service providers and users ; equipment manufacturers , operators of satcom , navigation and positioning , and earth observation ; enterprises of radio and television , all departments of radio , film and television at prefecture or county level , and relevant institutions and operators ; and experts , scholars , technical and engineering personnel , teachers and students of science research institutions , r & d organizations and universities 《数字通信世界》的读者对象:信息产业部、广电系统、航空航天系统、国防军工系统各级管理部门的主管及技术人员;海洋、交通、石油、电力、煤炭、水利、公安等专网用户;通信运营商,设备制造商、设备供应商、系统集成商,网络服务商及使用部门;卫星通信、导航定位、对地观测等设备商、运营商;广播、电视企业和全国各地市县级广播电视局、台、站等相关机构及运营商;科研机构、研发部门、专业院校的专家学者及广大工程技术人员和师生。 |