visual aid
飞机场目视助航设施
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。
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
It shall be forbidden to damage navigation aids or navigational facilities.
禁止损坏助航标志和导航设施。
If navigation aids or navigational facilities malfunction or become abnormal;
助航标志或导航设施变异、失常；
computer assisted navigation equipment
计算机辅助导航设备
International Meeting on Radio Aid to Marine Navigation
国际无线电航海助航设备会议
Aviation was lamentably weak and primitive.
航空设施极其薄弱简陋。
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
public health and aid facilities
公共卫生与救助设施
Infrastructure and Applications Support Section
基础设施和应用支助科
The Research about Constructing the Navagation Marks on the Main Channel of the ChangJiang River;
长江干线航道航行标志设施建设的研究
Infrastructure Construction of China Inland River Navigation under Development;
发展中的中国内河航运基础设施建设
Such an installation in which the landing area is on water.
航空港可在水中停靠的上述设施
access channel [aviation fuel receiving facility]
船舶进出航道〔飞机燃料接收设施〕
CAD of Drip Irrigation in Agriculture Facilities;
农业设施群的滴灌工程规划辅助设计
So, he helped design easy-to-use instruments for the Mercury spacecraft.
由他协助设计“水星”号航天器上操作简便的仪器。
IDEA OF ESTABLISHING THE FOOD SUBSIDY STANDARD IN THE AIR ARM
建立航空兵场站业务股伙食补助标准的设想