Based on a batch management model, this tracking model can trace all the processes from material purchasing to product sale.

该模型以一个批次管理模型为基础，能够实现从物料采购到产品销售的各个环节的产品跟踪。

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First, we focus on the method of batch management, batch association, tracking BOM model, then propose the product tracking model and the algorithm that makes the tracking BOM based on time.

首先重点研究了批次管理的方法、批次关联、追踪bom模型，接着在此基础上提出了产品跟踪模型，并提出了基于时间的跟踪BOM生成算法。

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