The origins of dispersion error are analyzed ; effects of initial velocity dispersion , ballistic coefficient dispersion , drift coefficient dispersion , range wind & cross wind dispersion on the ballistic dispersion are discussed 分析了散布誤差的起源,討論了初速散布、射角散布、彈道系數(shù)散布、偏流散布、縱橫風(fēng)散布對(duì)密集度的影響。