boattail中文，boattail的意思，boattail翻译及用法

2025-06-03 05:54 浏览次数 3

boattail

英[bəʊ'teɪl]美[boʊ'teɪl]

n. [航] 船形尾部，导弹尾部

boattail 英语释义

英语释义

    1. boat-tailed grackle

    2. the part of an artillery projectile in the rear of the rotating band when shaped like the inverted frustum of a cone

    3. tapered at the back end like the stern of a boat
    a boattail bullet a boattail ski

    4. of, relating to, or having a boattail
    bullets of the boattail type

boattail 片语

片语

boattail flow船尾流动

Boattail l艇尾型

boattail drag船形尾部

boattail angle船尾角

boattail 例句

英汉例句

  • it presents the influences of ejection parameter, freestream mach number, boattail angle and length of model, geometric size of jet hole, as well as model rotary speed on drag reduction rate.

    给出喷射参数、来流m数、模型船尾角、船尾长、排气口直径、模型转速等参数对底排减阻率的影响。

  • on condition that the front body shape of the projectile is unchangeable, a formula is obtained for determining the relation between the optimum boattail angle and the supersonic flight region.

    在弹丸前体外形和外界大气密度不变的条件下，提出了利用弹丸炮口马赫数和顶点马赫数确定旋转弹丸最佳尾锥角的方法。

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