线心二次曲线的初等证明
선심이차곡선적초등증명
The Conditions and Elementary Proof for Conic with a Centre Line
  • 万方数据
    河西学院学报 하서학원학보
    JOURNAL OF HEXI UNIVERSITY
    2012年 5期 47-53 ,共7页

    冯云%任天胜

    풍운%임천성

    中心二次曲线%无心二次曲线%线心二次曲线 中心二次麯線%無心二次麯線%線心二次麯線
    중심이차곡선%무심이차곡선%선심이차곡선
    Conic with a center%Conic without a center%Conic with a centre line
    本文给出了二次曲线为线心二次曲线的充分条件及其初等证明。并给出了线心二次曲线的具体图形．
    본문급출료이차곡선위선심이차곡선적충분조건급기초등증명。병급출료선심이차곡선적구체도형．
    This paper presents conditions and elementary proof for conic with a centre line. Meanwhile, the specific figure of conic with a centre line is given.
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