但因累计资产支出加权平均数的计算过程复杂，手工计算时操作性不强；
But it is very complicated to calculate the weighted average value of accumulated assets expenditure for manual calculation.
但因累计资产支出加权平均数的计算过程复杂，手工计算时操作性不强；
But it is very complicated to calculate the weighted average value of accumulated assets expenditure for manual calculation.
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