请输入您要查询的英文单词:

 

单词 lunar observation
释义

lunar observation

noun
A measurement of the position of the moon in order to calculate longitude from lunar distance.He speculated that he would continue to ‘amuse’ himself in attempting to determine Monticello's longitude but with lunar observations....
  • At the Greenwich Royal Observatory Halley used the first transit instrument and devised a method for determining longitude at sea by means of lunar observations.
  • If you had a chronometer, you would use it to measure longitude all the time, not just "when lunar observations were impractical."
随便看

 

英语词典包含243303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:2024/9/22 4:34:32