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。
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.
敏感性试验表明，由这两个假设所产生的误差并不显著。
It is found by sensitivity study that the assumptions would not introduce significant error in the calculations.
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