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单词 involute
释义
in·vo·lute (invə-lt)
adj.
1. Intricate; complex.
2.
a. Botany Having the margins rolled inward.
b. Zoology Having whorls that enclose and obscure earlier whorls. Used of a gastropod shell.
intr.v.in·vo·lut·ed, in·vo·lut·ing, in·vo·lutes
To curl inward.
n.
The curve traced by a point as if it were on a taut string being unwound from another curve.

[Latininvolūtus, past participle ofinvolvere, to enwrap; see INVOLVE.]

invo·lutelyadv.
involute
The parametric equations of an involute of a circle are
x = r cos θ + r θ sin θ,
y = r sin θ - r θ cos θ.
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更新时间:2025/3/22 20:14:57