This is the second NAND flash device in production at the 20-nm class, joining a 64-Gbit 25-nm multi-layer cell NAND Flash from IM Flash Technologies, according to UBM TechInsights.

这是目前为止市面上第二款基于20nm级别制程的NAND闪存芯片产品，另外一款则是IM Flash生产的64Gbit密度的25nm制程产品。

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In the paper, some viewpoints, such as quality cost analysis, quality skill analysis, equipment multi-layer maintenance, will play an important role in tobacco production management.

文中提出的质量成本分析、质量技术分析、设备多层级维护和维修等观点对提高生产管理水平具有重要的作用。

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Applying the described production management mode, the paper proposes multi-layer hierarchy workshop management system frame of production planning and scheduling.

利用上述先进的管理模式，提出了一种多层作业计划和多级调度的车间生产管理系统体系结构。

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