time sight

名词 n.
中文释义

英文释义

名词 n.
  1. An observation by sextant of the altitude of a celestial body in order to determine the time and hence the longitude. countable,uncountable
  2. A set of observations in order to determine the time that is usually conducted with a transit instrument. countable,uncountable
    — The GHA of the sun at the time of your LAN is your longitude. (Of course, GHAs greater than 180° mean the longitude is east and it would be written as 360° - GHA.) Some navigators call this a time sight.

词形变化

time sights plural
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