英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

sextant    
n. 六分仪;圆的六分之一

六分仪;圆的六分之一

sextant
n 1: a unit of angular distance equal to 60 degrees
2: a measuring instrument for measuring the angular distance
between celestial objects; resembles an octant

Sextant \Sex"tant\, n. [L. sextans, -antis, the sixth part of an
as, fr. sextus sixth, sex six. See {Six}.]
1. (Math.) The sixth part of a circle.
[1913 Webster]

2. An instrument for measuring angular distances between
objects, -- used esp. at sea, for ascertaining the
latitude and longitude. It is constructed on the same
optical principle as Hadley's quadrant, but usually of
metal, with a nicer graduation, telescopic sight, and its
arc the sixth, and sometimes the third, part of a circle.
See {Quadrant}.
[1913 Webster]

3. (Astron.) The constellation Sextans.
[1913 Webster]

{Box sextant}, a small sextant inclosed in a cylindrical case
to make it more portable.
[1913 Webster]


请选择你想看的字典辞典:
单词字典翻译
Sextant查看 Sextant 在百度字典中的解释百度英翻中〔查看〕
Sextant查看 Sextant 在Google字典中的解释Google英翻中〔查看〕
Sextant查看 Sextant 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Sextant - Wikipedia
    A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects The primary use of a sextant is to measure the angle between an astronomical object and the horizon for the purposes of celestial navigation
  • How Sextants Work: An Illustrated Guide – Casual Navigation
    A sextant is a navigational instrument that measures the angle between two objects It uses a pair of mirrors to overlay one object over the other The angle between the objects is proportional to the angle between the mirrors, so you can read it directly from the arc of the sextant
  • What Does the Sextant Do
    A sextant is a handheld optical tool that helps you find your position at sea by measuring the angle between the horizon and a celestial body, usually the Sun or a bright star
  • Sextant | Navigation, Celestial Measurement Astronomy | Britannica
    sextant, instrument for determining the angle between the horizon and a celestial body such as the Sun, the Moon, or a star, used in celestial navigation to determine latitude and longitude
  • MARINE SEXTANT EDUCATIONAL POST: How It Works! - YouTube
    The marine sextant is one of the most iconic navigation instruments in maritime history This ShipSmith Educational Post explores how sextants work with detailed diagrams and stunning imagery
  • Amazon. com: Sextant
    Explore a diverse selection of nautical sextants, from working instruments to collectible replicas Shop quality navigation tools
  • A Comprehensive Guide to Marine Sextant
    A sextant is a marine navigation instrument used to measure the angle between two objects Learn everything about Sextants in this article
  • What Is a Sextant and How Does It Work in Marine Navigation?
    A sextant is a precision instrument used by mariners to measure the angle between two visible objects Most commonly, it’s employed to determine the angle between a celestial body (like the sun, moon, or a star) and the horizon
  • 3 Ways to Use a Sextant - wikiHow
    A sextant is an old navigational tool that measures elevation using angular distances You can use a sextant to determine the altitude in the sky of the sun, moon, or other celestial bodies relative to the horizon
  • Celestaire, Inc. - The Celestial Navigation Store
    Celestaire carries the world’s largest selection of marine sextants, navigation computers, compasses, books, videos and software for celestial navigation





中文字典-英文字典  2005-2009