英语词汇“time sight”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

time sight n. Nautical (now chiefly historical) an observation of the altitude of the sun or a star for the purpose of ascertaining the time and hence the longitude.

ΚΠ

1827 B. Hall in W. Galbraith Math. & Astron. Tables ii. 103 I get the apparent times due to the meridian, on which the absolute time sights were taken, with as much accuracy as if the whole..had been taken at the fixed meridian.

1873 Ann. Reg. U. S. Naval Acad. 76 Time sight and azimuth, about 8.30 a.m., Apr. 24.

1932 Pop. Sci. Monthly Feb. 136/2 All deck cadets take a.m. time sight.

2007 J. H. Karl Celestial Navigation in GPS Age vii. 71 The GHA [= Greenwich Hour Angle] of the sun at the time of your LAN [= local apparent noon] is your longitude... Some navigators call this a time sight.

单词	time sight
释义	> as lemmas time sight time sight n. Nautical (now chiefly historical) an observation of the altitude of the sun or a star for the purpose of ascertaining the time and hence the longitude. ΚΠ 1827 B. Hall in W. Galbraith Math. & Astron. Tables ii. 103 I get the apparent times due to the meridian, on which the absolute time sights were taken, with as much accuracy as if the whole..had been taken at the fixed meridian. 1873 Ann. Reg. U. S. Naval Acad. 76 Time sight and azimuth, about 8.30 a.m., Apr. 24. 1932 Pop. Sci. Monthly Feb. 136/2 All deck cadets take a.m. time sight. 2007 J. H. Karl Celestial Navigation in GPS Age vii. 71 The GHA [= Greenwich Hour Angle] of the sun at the time of your LAN [= local apparent noon] is your longitude... Some navigators call this a time sight. extracted from timen.int.conj. < as lemmas
随便看	heddleeye heddlehook heddlelever heddlemaker heddles heddlethread heddletwine heddleyarn hede hedebo hedenbergite heder hederaceous hederaceously hederal hederated hederic hederic acid hederiferous hederiform hederigerent hederine hederinic hederose heders

> as lemmas