The platonic school's most significant discovery was the conic sections . Plato學派的最重要發(fā)現是圓錐曲線。
His chief work was on the conic sections but he also wrote on other subjects . 他的主要著作是關于圓錐線的,但也寫過其他方面的著作。
Online freehand sketching recognition using primarily conic sections 基于二次曲線的在線手繪圖識別
The intersection point of two conic sections 兩錐線的交點
The platonic school ' s most significant discovery was the conic sections Plato學派的最重要發(fā)現是圓錐曲線。
The demonstration of the conic section is an envelope of family of straight lines 圓錐曲線是直線族的包絡的證明
On the uniform equation of conic section in descartes coordinate system 直角坐標系下圓錐曲線的統(tǒng)一方程及變化動態(tài)初探
The characteristic for a class inscribed triangle of conic section and it ' s application 圓錐曲線一類內接三角形的性質及其在作圖中的應用
Conic sections get their names because they take the shapes of the cross sections of a cone 我們稱這四種形狀為圓錐截線,是由于以不同方法切割圓錐體,便可以得到這些形狀。
This paper , which aims at the developing strategy of express service , researching and analyzing chinese and foreign express corporations current situation , forecasts the demand of chinese express market in fifteen years with conic section model on the base of statistics 本文立足于快遞業(yè)的發(fā)展戰(zhàn)略,調查并分析了中外快遞公司在中國發(fā)展的現狀,根據實際的快遞業(yè)務數據,利用二次曲線預測模型方法對未來15年內的快遞市場需求量進行預測。
(geometry) a curve generated by the intersection of a plane and a circular cone 同義詞:conic,
百科解釋
In mathematics, a conic section (or just conic) is a curve obtained as the intersection of a cone (more precisely, a right circular conical surface) with a plane. In analytic geometry, a conic may be defined as a plane algebraic curve of degree 2.