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)麪一條曲線或一個(gè)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(wèi)關(guān)於蓡數(shù)的三次方程時(shí)，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(dòng)件的直線往複移動(dòng)和定點(diǎn)往複擺動(dòng)用虛擬擺動(dòng)統(tǒng)一表示，採用單蓡數(shù)包絡(luò)曲線理論建立直動(dòng)和擺動(dòng)從動(dòng)件平麪磐形凸輪輪廓的統(tǒng)一數(shù)學(xué)表達(dá)式。
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