单词	submunition
释义	submunition /ˌsʌbmjuːˈnɪʃ(ə)n / noun A small weapon or device that is part of a larger warhead and separates from it prior to impact.Once sensors detect a target, preferably a tank or armored personnel cartier, the submunition fires an explosive projectile into the top of the target.... Meanwhile, activists should demand that the Pentagon halt exports of high-failure submunitions, update its current acceptable-failure standards and replace the Air Force's stockpile of millions of high-failure submunitions. Separating from the shell above their target, the submunitions descend on wings at a speed of forty-five meters per second to strike the tank or fighting vehicle at its most vulnerable and unarmored point - the roof.
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