英數兩全字詞教學
48 軌跡 Locus
- path 路徑
- locus / loci 軌跡(單數、複數)
- an entity 整體
- old fashioned 老派的
- conic sections 圓錐截痕
- directrix 準線
- parabola 拋物線
- hyperbola 雙曲線
- ellipse 橢圓
- a set of points 點集合
- tracking a moving point 追蹤一個動點
- Conic sections are loci. 圓錐曲線皆為軌跡。
- the path traced out by a moving point 動點留下的路徑
- A circle is the locus of all the points which are equidistant from the center. 圓是一中同長的點集合。
- A parabola is the locus of points equidistant from a fixed point and a line. 拋物線是與一點和一線等距的軌跡。