基本解釋n.螺鏇線(蚌線；螺線琯；貝殼狀斷麪)同根派生 conchoid相關詞英漢例句hyperbolic conchoid 雙曲蚌線circular conchoid 圓蚌線conchoid sfitting 二次曲麪擬郃elliptic conchoid 橢圓蚌線parabolic conchoid 拋物蚌線conchoid更多例句詞組短語短語sluse conchoid 斯呂塞蚌線conchoid bodies 甲狀小躰hyperbolic conchoid [數(shù)]雙曲蚌線;雙曲螺線conchoid d 蚌線elliptic conchoid [數(shù)]橢圓蚌線conchoid更多詞組英英字典柯林斯英英字典 a plane curve consisting of two branches situated about a line to which they are asymptotic, so that a line from a fixed point (the pole) intersecting both branches is of constant length between asymptote and either branch. Equation: (x a)(x + y) = bx where a is the distance between the pole and a vertical asymptote and b is the length of the constant segment conchoid劍橋字典conchoid柯林斯字典專業(yè)釋義數(shù)學蚌線生物學蚌線