This paper analyses the effective factors and restricted methods of combustible cartridge case charge on muzzle velocity probable error.

分析了可燃药筒对初速或然误差的影响因素及限制办法。

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Results show that the effect of charge weight variation on the muzzle velocity probable error is not significant when the variation is within normal range.

结果表明，装药量在其正常范围内波动时，装药量的变化对初速或然误差的影响并不显著。

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