“顺应这一发展趋势，我们预测酒店业需求复苏的时间将会提前，”他说道。

"Given the developing trends, we moved up the time frame for demand recovery," he said.

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市场需求随机、订货提前期确定；

Market demand is stochastic, but lead-time is certainty;

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研究了提前期不确定情况下总装生产物料需求计划的优化问题。

Research on Bill of Material and Material Requirements Planning in MRP System;

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研究了提前期不确定情况下总装生产物料需求计划的优化问题。

Research on Bill of Material and Material Requirements Planning in MRP System;

youdao