Adopting J 2 EE platform technology, three - tiered architecture for PDM system is developed.

系统采用J2EE平台技术, 构建了该产品数据管理系统的三层体系结构.

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This question for discussion is the attempt and study of the developing of three - tiered HIS.

本课题就是开发三层结构的医院信息管理的一种尝试和研究.

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The three - tiered dining area design also provided storage space and two new seating areas.

这个用餐区还提供了存储空间和两个新的就座区.

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