radio navigation service 中文意思是什麼
radio navigation service
解釋
無線電導航勤務- radio : n. 1. 無線電訊[電報，電話]；無線電，射電。2. 無線電廣播；無線電（廣播）臺。3. 收音機。vt. ,vi. 用無線電傳送[廣播]；（向…）作無線電廣播[傳送]；用X射線拍照；用鐳醫治。
- navigation : n. 1. 航行；導航；領航；航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路；海上交通。adj. -al
- service : n 塞維斯〈姓氏〉。n 1 服務；工作；公務；職務；事務；業務；行政部門（人員），服務機構（人員）。2 ...
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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
《數字通信世界》的讀者對象：信息產業部、廣電系統、航空航天系統、國防軍工系統各級管理部門的主管及技術人員；海洋、交通、石油、電力、煤炭、水利、公安等專網用戶；通信運營商，設備製造商、設備供應商、系統集成商，網路服務商及使用部門；衛星通信、導航定位、對地觀測等設備商、運營商；廣播、電視企業和全國各地市縣級廣播電視局、臺、站等相關機構及運營商；科研機構、研發部門、專業院校的專家學者及廣大工程技術人員和師生。
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