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- electronic aid to navigation 导航电子设备
- Any change of position of a lighthouse, light boat, guidepost, buoy and aid to navigation, or any abnormal or inoperative light, signal and sound supposed to be made. 灯塔、灯船、标杆、浮标及一切有关航行标志之位置变更，或应发之灯号、信号、声号、失去常态或作用者。
- Electronics Aids to Navigation 电子导航(设备)
- radar and television aid to navigation 雷达电视导航设备
- radio and television aid to navigation 无线电与电视导航工具
- Sky Wave Synchronized Long Range Aid to Navigation 天波同步远程导航辅助设备
- Rich countries should give more aid to developing countries. 富有的国家应对开发中的国家多予援助。
- The use of magnets as aids to navigation can be traced back at least to the eleventh century. 磁铁用于航海，至少可追溯到11世纪。
- In his view, aid to the rebels should be suspended. 他的观点是，对反叛者提供的援助应该停止
- A desktop application’s distinctive look, however, will usually come from its unique combination of menus, palettes, and toolbars. This means that menus and toolbars must be considered aids to navigation. 然而桌面应用的不同外观来自于菜单、调色板和工具栏的独特组合，这意味着必须把菜单和工具栏考虑为导航的辅助。
- Suspend the aid to the war-torn country. 冻结对战争国家援助。
- Aid to the Third World is at present little more than a drop in the ocean. 目前对第三世界的援助不过是杯水车薪。
- A boat adrift is a danger to navigation. 一只漂流的船对航行是危险的。
- They can authorize the necessary aid to a branch. 董事会可以授权给予某一个分公司以必要的帮助。
- The Government has pledged itself to send aid to the famine victims. 政府已承诺赈济饥民。
- P-is a powerful aid to foster attachments. 性情相近对于感情的培养大有帮助。
- In his view,aid to the rebels should be suspended. 他的观点是，对反叛者提供的援助应该停止。
- He has to learn to navigate by electronic instruments. 他得学会用电子仪器导航。
- This new dictionary is a great aid to me. 这本新词典对我很有帮助。
- The colours of light signals on aids to navigation 航标灯光信号颜色
