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
赫数和顶点赫数确定旋转弹丸最佳尾锥角的方法。
词条纠错
X
(炸弹的)尾锥部
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boats, boatsteerer, boatstretcher, boatswain, boatswork, boattail, boatwright, boatyard, Boaz, bob,
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