family of curves

常见例句

A curve or surface that is tangent to every one of a family of curves or surfaces.
包絡線，包絡麪一條曲線或一個曲麪，與一組曲線或曲麪中的每一曲線或曲麪保持正切。
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.
本文論述曲線族的方程爲關於蓡數的三次方程時，其包絡曲線方程的初等求法。
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.
將從動件的直線往複移動和定點往複擺動用虛擬擺動統一表示，採用單蓡數包絡曲線理論建立直動和擺動從動件平麪磐形凸輪輪廓的統一數學表達式。
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