弹着点point of impact,简称POI),是指抛射物外弹道飞行末端撞击到物体时的位置。 (PS:此处的抛射物范围较宽泛,包括并不限于子弹炮弹航空炸弹火箭弹导弹弹头等一切现代远程武器的投射物[1]。)

短时间内连续射击的弹着点之集合称为弹着组(grouping),其各个弹着点相互分布的总尺寸代表了发射装置的精度(precision);而整个弹着组与瞄准点(point of aim)的偏差平均值则代表了发射装置的准确度(accuracy)。

参考

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