此外，采用公私混合方法，在患者住家或工作场所附近提供医疗服务可以减少患者的间接费用。

PPM can also reduce indirect costs for patients by providing services closer to their homes or workplace.

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为了减少间接费用分配率的数量并相应简化作业成本计算的过程，各种作业可以根据如下的两个特点将相同或相近性质的作业并为一组。

To reduce the number of overhead rates, and to simplify the process of ABC, activities may be grouped together in homogeneous set based on similar characteristics.

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