boattailing

常見例句

• 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.
  在彈丸前體外形和外界大氣密度不變的條件下，提出了利用彈丸炮口馬赫數(shù)和頂點馬赫數(shù)確定旋轉(zhuǎn)彈丸最佳尾錐角的方法。
• boattail
  船形尾部
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