| 1. | Plug and receptacle connectors for airport lighting cables 助航灯光电缆插头和插座 |
| 2. | Isolation transformers for airport lighting 助航灯光隔离变压器 |
| 3. | Code for construction and acceptance of civil airport visual aids 民用机场目视助航设施施工及验收规范 |
| 4. | 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。 |
| 5. | Visible aidto navigation 视觉助航设施 |
| 6. | Radio aids to marine 助航无线电 |
| 7. | Air navigation aid 助航设备 |
| 8. | The automatic identification system ( ais ) is a kind of new - type navaid and equipments . the article expatiated the basic principle of the modulation mode named gmsk 船舶自动识别系统( ais )是一种新型的助航系统及设备,目前已发展成通用自动识别系统( uais ) 。 |
| 9. | This paper presents the construction , fundamental working principle as well as the design procedure of a 30kva power supply inverted by igbt of light adjustment with constant current for voyage aid of the airport 本文介绍了30kva机场助航恒流调光igbt逆变电源的结构、基本工作原理及其设计过程。 |
| 10. | The product widely applies to the high - riseconstruction , the broadcast communication firing tower , the electricpower chimney , the inland river route , the marine bridge and theairport peripheral facility symbolized helps the navigation lamp 产品广泛应用于高层建筑、广播通讯发射塔、电力烟囱、内河航道、海上桥梁及机场周边设施标志助航灯。 |