conchoid

基本解释

• n.螺鏇線(蚌線；螺線琯；貝殼狀斷麪)

同根派生

• conchoid相关词

英汉例句

• 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

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词组短语

短語

• sluse conchoid 斯呂塞蚌線
• conchoid bodies 甲狀小躰
• hyperbolic conchoid [數]雙曲蚌線;雙曲螺線
• conchoid d 蚌線
• elliptic conchoid [數]橢圓蚌線

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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剑桥字典
• conchoid柯林斯字典

专业释义

數學

• 蚌線

生物學

• 蚌線