The base bleed unit is used to give an increased range of fire.

这种底部排气装置可以增大射程。

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Influences on the hitting probability by error of carrier, by dispersion of sub-projectiles, by size of target, by the Numbers of sub-projectiles, and by the range of fire are analyzed.

分析了母弹的射击误差、子弹的散布误差、目标幅员、重迭度、子弹携带量及射距离对子母弹首发命中概率的影响。

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We are now within range of enemy fire.

我们现在处于敌人的火力射程以内。

《牛津词典》

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