| 单词 | plane section |
| 例句 | Eric and company turned tail and ran to their safe space, to give their dumb speeches outside the charter plane section of the Philadelphia airport. Clown coup: Trump's effort to overthrow democracy as well-run as his business (and presidency) 2020-11-05T05:00:00Z Every plane section of a quadric surface is a conic or a line-pair. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z A plane section is an ellipse, but there are two particular directions of the section for which the ellipse reduces to a circle. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z Many mix up and confuse what they see; but they do see beyond the plane section which Time gives to the normal human being. Seen and Unseen Ellipsoid.—A solid, all plane sections of which are ellipses or circles. Carpentry for Boys In a Simple Language, Including Chapters on Drawing, Laying Out Work, Designing and Architecture With 250 Original Illustrations Conceive of the figure as in space, so that M is the vertex of a trihedral angle of which the given triangles are plane sections. An Elementary Course in Synthetic Projective Geometry Every plane section of this cone is a conic. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z We should have, as a plane section, a circle of changing size, which would elongate and divide into two circles, each of which would do the same. Four-Dimensional Vistas The center ends of the middle plane sections do not come within 5 feet of joining, this open space being left for the engine. Flying Machines: construction and operation; a practical book which shows, in illustrations, working plans and text, how to build and navigate the modern airship Every plane section of a cone of the second class is a curve of the second class. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Some of the simpler problems connected with the representation of surfaces are the determination of plane sections and of the curves of intersection of two such surfaces. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Every plane section of a cone of the second order is a curve of the second order. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z By taking then a number of plane sections of the surfaces we can get as many points on their curve of intersection as we like. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z In special cases it is simpler to determine at once the angle between the two planes by taking a plane section perpendicular to the intersection of the two planes and rabatt this. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Generally speaking, the geodetic lies between the two plane section curves joining A and B which are formed by the two vertical planes, supposing these points not far apart. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z |
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