| 释义 |
trajectory/trəˈdʒekt(ə)ri, ˈtrædʒikt(ə)ri/n. (pl. -ies) 1 the path described by a projectile flying or an object moving under the action of given forces (飞行物或被发射体的)轨道，轨迹；弹道 2 Geom. a curve or surface cutting a system of curves or surfaces at a constant angle 【几】常角轨道；轨线 [originally an adjective: medieval Latin trajectorius from Latin traicere traject- (as TRANS-, jacere ‘throw’)] |