翻訳と辞書 Words near each other ・ Cross-country skiing at the 1972 Winter Olympics ・ Cross-country skiing at the 1976 Winter Olympics ・ Cross-country skiing at the 1976 Winter Paralympics ・ Cross-country skiing at the 1980 Winter Olympics ・ Cross-country skiing at the 1980 Winter Paralympics ・ Cross-country skiing at the 1984 Winter Olympics ・ Cross Roads, Texas ・ Cross Roads, West Yorkshire ・ Cross Run ・ Cross S Ranch Headquarters ・ Cross sea ・ Cross Seamount ・ Cross Season ・ Cross section ・ Cross Section (album) ・ Cross section (geometry) ・ Cross section (physics) ・ Cross Seminole Trail ・ Cross Shot ・ Cross slope ・ Cross Sound ・ Cross Sound Cable ・ Cross Sound Ferry ・ Cross stitches ・ Cross Street ・ Cross Street Baptist Church ・ Cross Street Chapel ・ Cross Street Market ・ Cross subsidization ・ Cross syndrome Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Cross section (geometry) ： ウィキペディア英語版 Cross section (geometry) In geometry and science, a cross section is the intersection of a body in three-dimensional space with a plane, or the analog in higher-dimensional space. Cutting an object into slices creates many parallel cross sections. A cross section of three-dimensional space that is parallel to two of the axes is a contour line; for example, if a plane cuts through mountains of a raised-relief map parallel to the ground, the result is a contour line in two-dimensional space showing points of equal altitude. ==Conic sections== Conic sections – circles, ellipses, parabolas, and hyperbolas – are formed by cross sections of a cone at various different angles, as seen in the diagram at left. Any planar cross section passing through the center of an ellipsoid forms an ellipse on its surface, which degenerates to a circle for sections perpendicular to a symmetry axis. A cross section of a cylinder is a circle if the cross section is parallel to the cylinder's base, or an ellipse with non-zero eccentricity (see diagram at right) if it is neither parallel nor perpendicular to the base. If the cross section is perpendicular to the base it consists of two parallel line segments (not shown) unless it is just tangent to the cylinder, in which case it is a single line segment. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cross section (geometry)」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.