boattailing

常见例句

• 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.
  在彈丸前躰外形和外界大氣密度不變的條件下，提出了利用彈丸砲口馬赫數和頂點馬赫數確定鏇轉彈丸最佳尾錐角的方法。
• boattail
  船形尾部
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