big maritime navigation era 大航海时代
higher maritime navigation education 试论高等航海教育
maritime radio navigation service 海上无线电导航机构 ; 海上无线电导航业务
maritime radio-navigation service 航海无线电导航服务
maritime radio navigation land station 水上无线电导航陆地电台
maritime radio navigation mobile station 海上无线电导航移动电台
maritime radar and navigation trainer 船用雷达和航海训练器
The rampant ACTS of Somalia pirates have caused a serious hazard to international shipping and the safety of maritime navigation, and it is a threat and damage to international peace and security.
索马里海盗的猖獗行为,对国际航运和海上航行安全构成了严重危害,是对国际和平及安全的威胁与破坏。
Maritime Navigation Aid System is an important part of Maritime Traffic Safety Guarantee System.
海上航标系统是海上交通安全保障体系的重要组成部分。
Maritime Navigation Aid System is the important part of Maritime Traffic Safety Guarantee System.
海上航标系统是海上交通安全保障体系的重要组成部分。
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