family of curves

常见例句

双语例句

• A curve or surface that is tangent to every one of a family of curves or surfaces.
  包络线，包络面一条曲线或一个曲面，与一组曲线或曲面中的每一曲线或曲面保持正切。
• This paper discussed an elementary solution to the envelope of a kind of family of curves of which the equation was one of the cubic equations in regard to a parameter.
  本文论述曲线族的方程为关于参数的三次方程时，其包络曲线方程的初等求法。
• In this article, the unified profile expression of the planar cam mechanism with translation or oscillation follower is established based on the theory of envelopes for 1 parameter family of curves.
  将从动件的直线往复移动和定点往复摆动用虚拟摆动统一表示，采用单参数包络曲线理论建立直动和摆动从动件平面盘形凸轮轮廓的统一数学表达式。
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