astroid
美
英 ['æstrəʊɪd] 
- adj.星状的
- n.【数】星形线
- 网络星形的;星状线;星行线
英汉解释
例句
Construct an animation showing the tangent sweeping out the interior of the 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。
Construct the astroid as the envelope of a family of lines.
作由线族包络线所形成的星状线。
Construct an animation showing the inscribed ellipse of an astroid .
建构一动态绘图:展示星状线的内切椭圆。
Construct an animation displaying an astroid sliding along three fixed concurrent lines meeting at 120 degrees.
建构一动态绘图:展示星状线的滚动,沿著共点及间隔120度的三切线。