单词 right angle 释义 right angle[f. right a. 3 + angle n.2]1. Math. a. An angle of 90; = rectangle n. 2.c1391Chaucer Astrol. ii. 26 This forseid rihte orisonte..diuideth the equinoxial in-to riht Angles.1551Recorde Pathw. Knowl. i. Defin., A blunt or br...
单词 right angle 释义 right angle angle of 90 直角; 90 度角: at right angles/at a right angle (to the wall) (与墙)成直角. =>illusat angle 见angle插图. =>App 5 见附录5. `right-angledadj having/consisting of a right angle 有[成]直角的 a right-angled tria...