astroid
['æstrɔɪd]
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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