由于本厂物资依期率长期处于较低水平且长期得不到改善，使得生产计划部门疲于计划更正及物资追踪。
Because the material on time delivery rate keep in consistently lower levels and to improve the long term, which causing production planning departments struggle to plan revise and material tracking.
然而，这种通过引入MES来加强车间级的生产计划调度、提高中长期计划的运行效率的方法在实际实施过程中遇到了很多问题。
However, this way of introducing MES to strengthen job-shop scheduling and improve the running efficiency of plans faces many problems in the process.
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