| 释义 |
cardinal point
cardinal pointn. One of the four principal directions on a compass: north, south, east, or west.cardinal point One of the four principal directions on a compass; north, south, east, or west.Translationscardinal point
cardinal point[′kärd·nəl ¦pȯint] (geodesy) Any of the four principal directions: north, east, south, or west of a compass. (optics) Any one of six points in an optical system, namely, the two principal points, two nodal points, and two focal points. Also known as Gauss point. cardinal point
cardinal point1. Any of six points determining the direction of light rays emerging from and entering the eye. See: nodal point; principal point2. Capuron point.See also: pointFinancialSeePointThesaurusSeepoint |