垂足 meaning in English
[数学] foot point; pedal; foot of a perpendicular
◇垂足距 [天文学] curtate distance; 垂足曲面 pedal surface; 垂足曲线 [数学] pedal curve; 垂足三角形 pedal triangle; 垂足线 pedal line
Examples
- A discussion from the triangle with foots of three perpendiculars
从垂足三角形谈起 - On some theorems of directed area for pedal triangles
关于垂足三角形有向面积的一些定理 - A formula of directed area for a class of pedal polygons and its application
一类垂足多边形的有向面积公式及其应用 - Limbs far end has muscle weakness , amyotrophy , tendinous reflex drops or disappear , often have " ungual state hand " reach hang down sufficient
肢体远端有肌软弱，肌萎缩，腱反射减退或消失，常有“爪状手”及垂足。 - Abstract : this paper gives a formula of directed area for pedal polygon of polygons inscribed in a circle . using this formula , we obtain some fixed value theorems for this kind of pedal polygins . thus some results of pedal triangles are generalized
文摘:给出圆内接多边形的垂足多边形的有向面积公式，并利用该公式获得圆内接多边形的垂足多边形和正多边形的垂足多边形的若干结果，从而推广了垂足三角形的一些结论。