1.
Changing the sea route or trough; Demarcating, changing, or canceling a restricted navigation area, mud casting area, aquatics breeding area, speed testing area, or water entertainment area;
改变航道、航槽；划定、改动或撤销禁航区、抛泥区、水产养殖区、测速区、水上娱乐区；
2.
navigational warning area
航行警告海区无线电航行警告海区
3.
front course sector
前向航道扇区 -导航系统的
4.
Study on Safety of Channel Environment on Zhoushan Waters;
舟山海区航道通航环境安全评价研究
5.
radio controlled aerial-navigation
无线电控制空中航行区
6.
coverage area of radio navigation system
无线电导航系统覆盖区
7.
Navigation Warning Broadcasting Responsibility Areas
航行警告广播责任区
8.
Regional Area Forecast Centre [RAFC]
航空区域天气预报中心
9.
regional air navigation procedures
区域性航行规划程序
10.
regional air navigation meeting
区域性航行规划会议
11.
European Regional Airlines Organization
欧洲区域航空公司组织
12.
,,,have been sighted proceeding in convoy in a northerly direction,,,,
…在北方地区有护航行动…
13.
Regional Centre for Training in Aerial Surveys
航空勘探区域训练中心
14.
MWARA (Major World Air Route Area)
世界主要航空线区域
15.
Navigation Regime of Exclusive Economic Zone
专属经济区航行制度
16.
Navigation condition and navigation safety at bridge district of mountainous rivers
山区河流桥区通航条件和通航安全问题研究
17.
Study on the Methods of Chinese RNAV Route and Sid Star Procedure Design
我国区域导航航路和进离场程序设计方法研究
18.
Research on Flow Condition for Navigation in the Entrance Area and the Transitional Reach of the Navigation Structures;
通航建筑物口门区及连接段通航水流条件研究