英语词汇“cycloid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

cy·cloid

(sikloid′)

adj.

1. Resembling a circle.

2. Zoology

a. Relating to or being a kind of fish scale that is thin, rounded, and smooth-edged and often shows concentric growth rings.

b. Having cycloid scales.

3. Psychology Afflicted with or relating to cyclothymia.

n.
Mathematics

The curve traced by a point on the circumference of a circle that rolls on a straight line.

[Frenchcycloïde, fromGreekkukloeides, circular : kuklos, circle; see k^wel-¹ in the Appendix of Indo-European roots + -oeides, -oid.]

cy·cloidal(-kloid′l)adj.

cycloid

top: surface view of cycloid scales of a bony fish

bottom: The parametric equations of this cycloid are

x = r(θ - sin θ),

y = r(1 - cos θ).

cycloid

单词	cycloid
释义	cy·cloid (sikloid′) adj. 1. Resembling a circle. 2. Zoology a. Relating to or being a kind of fish scale that is thin, rounded, and smooth-edged and often shows concentric growth rings. b. Having cycloid scales. 3. Psychology Afflicted with or relating to cyclothymia. n. Mathematics The curve traced by a point on the circumference of a circle that rolls on a straight line. [Frenchcycloïde, fromGreekkukloeides, circular : kuklos, circle; see k^wel-¹ in the Appendix of Indo-European roots + -oeides, -oid.] cy·cloidal(-kloid′l)adj. cycloid top: surface view of cycloid scales of a bony fish bottom: The parametric equations of this cycloid are x = r(θ - sin θ), y = r(1 - cos θ). cycloid
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