impact

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【释义】：

n．撞(冲)击，冲力，命中，影响［im′pkt］v．撞击，冲击，命中，硬著陆

◇impact on碰撞

‖impact angle命中角impact area命中区，弹著区，弹著面积impact dispersion落点散布impact environment碰撞环境impact error弹著点误差impact fuze碰炸引信impact limit lines弹著限制线impact nose著发弹头impact nose fuze弹头著发引信impact pattern弹著面impact point弹著点impact point accuracy弹著点准确度impact point detonating弹著点爆炸impact range弹著点距离impact surfece burst著地爆炸impact velocity弹著速度impact zone弹著区impacter同impactor n．冲击装置，硬著陆航天器impaction n．