The trebuchet is a long distance heavy offensive and defensive weapon in the ancient China.
抛石机是我国古代一种远程重型战具，应用于攻击防守战中。
BAE Systems will develop an interim all-quadrant defensive weapon system for the CV-22 Osprey aircraft.
BAE系统公司将为CV - 22“鱼鹰”飞机开发一种临时的四象限防御武器系统。
This is the most versatile, since it balances offensive (the weapon) and defensive (the shield).
这种类型的好处是比较全面，因为它平衡了进攻（武器）和防守（盾牌）。
This is the most versatile, since it balances offensive (the weapon) and defensive (the shield).
这种类型的好处是比较全面，因为它平衡了进攻（武器）和防守（盾牌）。
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