family of curves

常見例句

雙語例句

• A curve or surface that is tangent to every one of a family of curves or surfaces.
  包絡(luò)線，包絡(luò)面一條曲線或一個曲面，與一組曲線或曲面中的每一曲線或曲面保持正切。
• 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.
  本文論述曲線族的方程為關(guān)于參數(shù)的三次方程時，其包絡(luò)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.
  將從動件的直線往復(fù)移動和定點往復(fù)擺動用虛擬擺動統(tǒng)一表示，采用單參數(shù)包絡(luò)曲線理論建立直動和擺動從動件平面盤形凸輪輪廓的統(tǒng)一數(shù)學(xué)表達(dá)式。
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