astroid

['æstrɔɪd]

n. [数] 星形线

adj. 星状的

英文词源

astroid (adj.)

"star-shaped," 1897, from Greek astroeides, from astron "star" (see astro-) + -oeides (see -oid).

双语例句

1. Construct an animation showing the tangent sweeping out the interior of astroid.

建构一动态绘图:展示星状线的切线所有扫掠过的内部轨迹.

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2. Construct rotating cardioid and astroid while remaining orthogonal to each other.

作旋转的心脏线和旋转的星状线,且彼此维持正交.

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3. Show how a deltoid of maximal size slides inside a stationary astroid.

在固定不动的星状线内,有一个最大的三角线在其间滚动.

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4. Construct an animation of three concurrent tangents of the astroid.

建构一动态绘图:展示星状线共点的三切线.

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5. Construct a linkage to draw the astroid.

建构一连杆绘制星状线.

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