数据库设计不太理想4，库存采用加权移动平均法，用先入先出法更合理，5。
Database design is not ideal four, stock weighted moving average, using the first-in, first-out method more reasonable, 5.
六西格玛黑带应能正确的将指数加权移动平均图应用到一个在数据上连续相关的过程。
The Six Sigma Black Belt should be able to correctly apply EWMA charts to a process with serial correlation in the data.
移动加权平均法的核算结果是最准确的，可以使管理者以最快的速度了解最近期的存货结存成本。
The accounting result of the " moving weighted average method" , which is the most accurate, can make the manager to know the immediate stock carrying cost with the most rapid speed.
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