In such cases, the amount of money or time spent on a task may not reflect the actual work performed.

在这种情况下，花费在一个任务上的金钱或者时间数量可能不会反映实际被执行的工作。

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The actual unit cost for any item at any time is obtained by dividing the accumulated costs charged to that item by the accumulated units of work performed.

任何时间任何项目标现实单位造价为谁人项目所耗费的累计费用除以谁人项目标累计单位数量。

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