释义 |
boattailenUK
boattail (ˈbəʊtˌteɪl) na large species of blackbird, Quiscalus major, found in coastal areas of the southeastern USboattailThe conical section of a ballistic body that progressively decreases in diameter toward the tail to reduce overall aerodynamic drag.boattailenUK
boattail[′bōt‚tāl] (aerospace engineering) Of an elongated body such as a rocket, the rear portion having decreasing cross-sectional area. |