| 单词 | trajectory |
| 释义 | trajectory —trajectile /treuh jek"til, -tuyl/, adj. —trajection /treuh jek"sheuhn/, n. /treuh jek"teuh ree/, n. , pl. trajectories. 1. the curve described by a projectile, rocket, or the like in its flight. 2. Geom. a curve or surface that cuts all the curves or surfaces of a given system at a constant angle. [1660-70; < NL trajectoria, n. use of fem. of ML trajectorius cast-ing over. See TRAJECT, -TORY1] |
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