Port Navigation-Supporting Information System Based on Real-time WEBGIS Distribution Technique;
基于实时发布WEBGIS技术的港口助航信息系统(英文)
In order to improve the efficiency of a certain aircraft navigation system, a special airborne auxiliary navigation system based on GPS and GIS was designed and implemented.
为了提高某型飞机的领航效能,设计与实现了一种基于GPS和GIS的特种机载辅助领航系统。
Statistical analysis of regional gravity anomaly aided navigation and positioning
区域重力异常辅助导航定位的统计分析
As a result, the terrain information is hardly interfered by outer world and the terrain-information-entropy-based aided navigation is of autonomous or semiautonomous aided navigation model, which can be put into practice.
仿真试验结果表明,基于地形信息熵的辅助导航是一种自主式辅助导航模式,具有定位精度高的优点,可有效抑制惯导系统的误差,具有实际应用前景。
In recent years, the terrain aided navigation developed rapidly thanks to its independence of satellite navigation system, non-disturbance of environment and uninfluenced navigation.
无线电高度表和数字地图的组合构成地形轮廓匹配 (TERCOM )辅助导航系统 ,它是一种飞行导航定位的重要手段 ,由于地形辅助导航不依赖卫星导航系统、不受外界干扰、具有自主导航的功能 ,故近年来获得了迅速发展。
Large Navigational Buoy
大型助航灯浮大型助航浮标
visual aid
飞机场目视助航设施
the survey was carried out aerially.
测量借助航行器来进行。
uniform system of maritime buoyage
国际助航浮标统一系统
Suggestions on revision of the Inland River Navaids: concerning standards for bridge navaids
《内河助航标志》中桥梁助航标志标准的修订建议
International Meeting on Radio Aid to Marine Navigation
国际无线电航海助航设备会议
It shall be forbidden to damage navigation aids or navigational facilities.
禁止损坏助航标志和导航设施。
a map designed to assist navigation by air or sea.
为辅助航空或航海而制作的图。
If navigation aids or navigational facilities malfunction or become abnormal;
助航标志或导航设施变异、失常；
An aircraft takeoff aided by an auxiliary jet or rocket.
助飞用喷气机或火箭帮助航空器起飞
AtoN is the basic establishment of the sea-route for assisting navigation straightly effecting on the safety of shipping.
航标是航道的基础助航设施,直接影响船舶的航行安全。
international marine radio aids to navigation
国际船用无线电导航设备国际航海无线电助航设备
" Maritime buoyage system, China"
GB4696-1984中国海区水上助航标志
The main dimensions of aids to navigation on inland waterways
GB5864-1993内河助航标志的主要外形尺寸
studding sail
【航海】补助帆, 翼帆
The wind helped their voyage across the ocean.
风帮助他们航行过大海。
government sponsored air travel
政府资助的航空旅程
Air Traffic Control Assistant
航空交通管制助理员