deltoid

英 ['deltɒɪd] 美 ['dɛltɔɪd]
  • n. 三角肌
  • adj. 三角形的
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英文词源

deltoid (adj.)
1741, in deltoid muscle, so called for its shape, from Greek deltoeides "triangular," literally "shaped like the letter delta;" see delta + -oid.

双语例句

1. Construct an animation of the deltoid sliding on two mutually perpendicular lines.
建构一动态绘图:展示三角线沿著互相垂直的两轴滚动.

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2. 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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3. Construct two mutually orthogonal tangents of the deltoid. Where do they meet?
三角星形线的两条互相垂直的法线的交点在哪里?

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4. Construct rotating cardioid and deltoid while remaining orthogonal to each other.
作旋转的心脏线和旋转的三角线,且彼此维持正交.

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5. Construct an animation displaying the deltoid sliding inside a fixed nephroid.
建构一动态绘图:展示三角线沿著一固定的肾脏线内部滑动.

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