family of curves

常見(jiàn)例句

A curve or surface that is tangent to every one of a family of curves or surfaces.
包絡(luò)線(xiàn)，包絡(luò)面一條曲線(xiàn)或一個(gè)曲面，與一組曲線(xiàn)或曲面中的每一曲線(xiàn)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(xiàn)族的方程為關(guān)于參數(shù)的三次方程時(shí)，其包絡(luò)曲線(xiàn)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(dòng)件的直線(xiàn)往復(fù)移動(dòng)和定點(diǎn)往復(fù)擺動(dòng)用虛擬擺動(dòng)統(tǒng)一表示，采用單參數(shù)包絡(luò)曲線(xiàn)理論建立直動(dòng)和擺動(dòng)從動(dòng)件平面盤(pán)形凸輪輪廓的統(tǒng)一數(shù)學(xué)表達(dá)式。
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