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octant

n. 八分圆,八分仪,离角45度的位置

八分圆,八分仪,离角45度的位置

WordNet (r) 3.0 (2006) (WordNet)

octant
n 1: a measuring instrument for measuring angles to a celestial
body; similar to a sextant but with 45 degree calibration

The Collaborative International Dictionary of English v.0.48 (gcide)

Octant \Oc"tant\, n. [L. octans, -antis. fr. octo eight. See
{Octave}.]
1. (Geom.) The eighth part of a circle; an arc of 45 degrees.
[1913 Webster]

2. (Astron. & Astrol.) The position or aspect of a heavenly
body, as the moon or a planet, when half way between
conjunction, or opposition, and quadrature, or distant
from another body 45 degrees.
[1913 Webster]

3. An instrument for measuring angles (generally called a
{quadrant}), having an arc which measures up to 9O[deg],
but being itself the eighth part of a circle. Cf.
{Sextant}.
[1913 Webster]

4. (Math. & Crystallog.) One of the eight parts into which a
space is divided by three coordinate planes.
[1913 Webster]

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英文字典中文字典相关资料:

Octant (instrument) - Wikipedia
Octant This instrument, labelled Crichton - London, Sold by J Berry, Aberdeen, appears to have an ebony frame with ivory scale, vernier and signature plate The index arm and mirror supports are brass Rather than use a sighting telescope, this instrument has a sighting pinnula The octant, also called a reflecting quadrant, is a reflecting instrument used in navigation
Octant
Octant Webinar - Sept 18, 2019 Learn how to use Octant in your environment to better understand the state of the applications running inside the cluster
OCTANT Definition Meaning - Merriam-Webster
The meaning of OCTANT is an instrument for observing altitudes of a celestial body from a moving ship or aircraft
Octant - LinkedIn
Octant is a well-backed team of experienced technologists and entrepreneurs navigating the complexity of biology and chemistry to develop next generation small molecules Combining advanced cell
Octant Bio Begins Clinical Testing Oral Treatment for Rhodopsin-Related . . .
Octant Bio has dosed the first healthy volunteer in its Phase 1 2 clinical trial of OCT-980, an investigational oral medication for rhodopsin-associated autosomal dominant retinitis pigmentosa (RHO-adRP)
Octant | instrument | Britannica
Other articles where octant is discussed: navigation: Latitude measurements: …even after 1731 when the octant (an early form of the modern sextant) was demonstrated independently by John Hadley of England (see photograph) and Thomas Godfrey of Philadelphia In the octant and the sextant, two mirrors—one fixed, the other movable—bring the image of the Sun into coincidence with the horizon …
Octant AI | AI for improving project performance
Octant AI is a transformational artificial intelligence approach to improving project performance across multiple financial, time and risk key result areas
Introduction to Octant - YouTube
A high-level overview of the various modules that make up the Octant application Learn more at octant dev
Octant | History of Science Museum
Octant Presented by James Cooke – DPhil candidate in neuroscience Inventory Number: 33700 The octant is a navigational instrument developed around 1730 almost simultaneously by an English mathematician, John Hadley, and an American glazier, Thomas Godfrey

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