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单词 octant
例句 octant
Similarly, the coordinate planes divide space between them into eight regions about the origin, called octants. Calculus, Volume 3 2016-03-30T00:00:00Z
Excluded, of course, are those instruments normally made of wood, such as the octant and the mariners quadrant. Early American Scientific Instruments and Their Makers 2012-03-15T02:00:31.610Z
They intersect, two and two, in lines x′Ox, y′Oy, z′Oz, called the axes of x, y, z respectively, and divide all space into eight parts called octants. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z
Among the other items to sell well was a 19th Century ebony and brass octant, a measuring instrument, which went under the hammer for £400. Ashley belongings sell for ?18k 2010-04-19T16:36:00Z
It is the sextant or some member of the sextant family - such as the quadrant, octant, etc. Lectures in Navigation
Find the volume of the solid situated in the first octant and determined by the planes z = 2, z = 0, x + y = 1, x = 0, and y = 0. Calculus, Volume 3 2016-03-30T00:00:00Z
The meridian altitude of the sun's lower limb, as observed with octant by back observation, was 53° 15', giving as the latitude of our camp, 47° 8' 59" 5"'. History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean. Performed During the Years 1804-5-6.
In the octant delineated the signs are taken all positive. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z
The terminal line of the moon looks the same when she is in one of her octants. The Moon-Voyage
It was in its octant, and showed a crescent finely traced on the dark background of the sky. From the Earth to the Moon; and, Round the Moon
The solid E bounded by z = 10 − 2x − y and situated in the first octant is given in the following figure. Calculus, Volume 3 2016-03-30T00:00:00Z
The latitude of our camp, as the mean of two observations of the meridian altitude of the sun's lower limb with octant by back observation is N. 45° 24' 8" 5"'. History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean. Performed During the Years 1804-5-6.
It consists of a frame in the form of an octant having a graduated scale upon its arc, and an index arm, or alidade pivoted at its apex. The Gutenberg Webster's Unabridged Dictionary Section P and Q
She was in her octant, and her crescent was clearly outlined on the dark background of the sky. The Moon-Voyage
Such appeared the terminal line of the moon when in one of her octants. From the Earth to the Moon; and, Round the Moon
The solid E bounded by z = 1 − x2 and situated in the first octant is given in the following figure. Calculus, Volume 3 2016-03-30T00:00:00Z
We can use a similar method to visualizing a vector field in ℝ2 by choosing points in each octant. Calculus, Volume 3 2016-03-30T00:00:00Z
Find the volume of the solid situated in the first octant and bounded by the planes x + 2y = 1, x = 0, y = 0, z = 4, and z = 0. Calculus, Volume 3 2016-03-30T00:00:00Z
However, by dint of a natural phenomenon, identical with that produced on the moon when she is in her octants, the contour of the terrestrial globe could be traced. The Moon-Voyage
As before, we use the first octant x ≥ 0, y ≥ 0, and z ≥ 0 and then multiply the result by 8. Calculus, Volume 3 2016-03-30T00:00:00Z
Find the volume of the solid situated in the first octant and bounded by the paraboloid z = 1 − 4x2 − 4y2 and the planes x = 0, y = 0, and z = 0. Calculus, Volume 3 2016-03-30T00:00:00Z
Find the maximum volume of a rectangular box with three faces in the coordinate planes and a vertex in the first octant on the plane x + y + z = 1. Calculus, Volume 3 2016-03-30T00:00:00Z
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