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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
The lower price of the octant, including versions without telescope, made it a practical instrument for ships in the merchant and fishing fleets One common practice among navigators up to the late nineteenth century was to use both a sextant and an octant
Octant
Visualize your Kubernetes workloads Octant is an open source developer-centric web interface for Kubernetes that lets you inspect a Kubernetes cluster and its applications
Octant (solid geometry) - Wikipedia
An octant in solid geometry is one of the eight divisions of a Euclidean three-dimensional coordinate system defined by the signs of the coordinates It is analogous to the two-dimensional quadrant and the one-dimensional ray [1]
Octant | instrument | Britannica
The octant, with an arc of 45 degrees, was used to calculate latitude Navigators would use it to measure the angle between the horizon and a celestial body, such as the polestar or the Sun
Octant -- from Wolfram MathWorld
An octant is one of the eight regions of space defined by the eight possible combinations of signs (+ -,+ -,+ -) for x, y, and z
Octant | History of Science Museum
The octant is a navigational instrument developed around 1730 almost simultaneously by an English mathematician, John Hadley, and an American glazier, Thomas Godfrey
About - octant. bio
What we do Octant is a therapeutics company building small molecule drugs that modulate cellular mechanisms We are pioneering a new type of small molecule drug discovery by using massive experimentation in human cells to unlock novel insights
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 - Wiktionary, the free dictionary
Noun octant (plural octants) The eighth part of a circle; an arc of 45 degrees (astrology) The aspect of two planets that are 45°, or one-eighth of a circle, apart (geometry) The eighth part of a disc; a sector of 45 degrees; half a quadrant; one of eight divisions of a sphere by three orthogonal planes

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