铜仁学院学报
銅仁學院學報
동인학원학보
Journal of Tongren University
2015年
4期
161-164
,共4页
直纹曲面%二次锥面%二次柱面%单叶双曲面%双曲抛物面%直母线%新判别法
直紋麯麵%二次錐麵%二次柱麵%單葉雙麯麵%雙麯拋物麵%直母線%新判彆法
직문곡면%이차추면%이차주면%단협쌍곡면%쌍곡포물면%직모선%신판별법
ruled surface%quadric cone%quadric cylinder%uniparted hyperboloid%hyperbolic paraboloid%rectilinear generator%new criterion
本文先给出二次直纹曲面的判别法则,并利用四类经典二次直纹曲面的某些性质,建立了它们相应的新判别法则.最后,举出若干实例加以应用.
本文先給齣二次直紋麯麵的判彆法則,併利用四類經典二次直紋麯麵的某些性質,建立瞭它們相應的新判彆法則.最後,舉齣若榦實例加以應用.
본문선급출이차직문곡면적판별법칙,병이용사류경전이차직문곡면적모사성질,건립료타문상응적신판별법칙.최후,거출약간실례가이응용.
Firstly, the paper provided judging rule for quadric ruled surfaces. By using some properties of four kinds of classic quadric ruled surfaces, a new criterion was set up. Finally, the paper gave some examples for applying the rules.
