Calls out direct materials P/N, description, usage, and designator.
直接罗列所用材料料号,规格,用量,点位。
We test our model using data collected from 223 purchasing managers and buyers of direct materials.
我们用223个采购经理和资料直接购买者的数据来验证我们的模型。
Direct costs are classified as the costs that go into creating the product or service (that is, direct materials and direct labor).
直接成本就是提供产品和服务所需要的成本(也就是直接原料和直接人工投入)。
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