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单词 cardioid
释义 car·di·oid AHD[kärʹdē-oid'] D.J.[ˈkɑːdiːˌɔɪd]K.K.[ˈkɑrdiˌɔɪd]n.(名词)constructed from circle DEF and its secants through fixed point DClarinda/Academy Artworks
  1. A heart-shaped plane curve, the locus of a fixed point on a circle that rolls on the circumference of another circle with the same radius.心脏线:一种心形的平滑曲线,圆周上一固定点绕另一具有相同半径的圆的圆周转动的轨迹
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