助航设备 meaning in English
aid to navigation
aids to navigation
air navigation aid
navigation aids
navigation instrument
navigational aids
Examples
- It is impossible to navigate safely without these navigational aids
如果没有这些助航设备，安全航行是不可能的。 - Air navigation aid
助航设备 - During the last century , the vhf ( very high frequency ) communication has been applied in the ship ' s transportation , as well as radar and arpa also could identify ships in the marine . but they could n ' t adapt to the needs of the modern navigation because of their limits . the rapid development of the digital communications technology , computer technology and net ware technology supports the needed technology of ais ( automatic identification system )
上个世纪， vhf通信技术被广泛地应用于船舶通信；雷达、 arpa具有识别船舶的功能，但是由于自身的局限性而无法适应现代航运安全的需求；随着数字通信技术、计算机技术以及网络信息技术的飞速发展， ais的技术基础已经搭建好，在航运界对助航设备的要求越来越高的情况下，船舶自动识别系统应运而生。