请输入您要查询的英文单词:

 

单词 astronavigation
释义 astronavigation|ˌæstrəʊnævɪˈgeɪʃən|
[f. astro- + navigation.]
Determination of the position and course of aircraft by means of observation of the stars; applied also to the possible or actual use of this means in vehicles travelling in space. Also ˌastroˈnavigator, an air pilot, or automatic air-piloting machine, using astronavigation.
1942W. Simpson One of our Pilots is Safe ii. 46 We had neither the sextant nor the detailed knowledge necessary for astro-navigation.1949Aeronautics Jan. 52/1 When the weapon enters the area of enemy held territory..an automatic astro-navigator will take over.1958Daily Mail 10 Nov. 4/3 The huge ‘astro-navigation trainer’, a planetarium sort of thing which taught the space navigator to determine his position by measuring the position of the earth and the moon with respect to the immovable background of the fixed stars.
随便看

 

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/9/19 8:54:22