At the same time, the background management system based on three-tier computation model is developed, where the SQL Server 2000 is selected as database, and the information of users can be stored, queried, computed, exported and so on.
后台服务器管理软件采用三层计算模式,以SQL Server 2000作为后台数据库进行开发,实现了用户信息的存储、查询、计算、统计、输出等管理功能。
参考来源 - 基于PDA图像处理的抄表系统·2,447,543篇论文数据，部分数据来源于NoteExpress
第一层和第二层的输出采用二级模糊模式识别模型计算，第三层的输出采用多级模糊模式识别模型计算。
The outputs of the first and second layers are both calculated by duel-pole fuzzy pattern recognition models, and that of the third is by multi-pole fuzzy pattern recognition model.
计算包括玻璃，空气和平面探针三层模式。
Three layers model that consists of glass, air and planar tip was calculated.
三层次计算机基础教学模式对计算机基础教学起到重要的指导作用。
Teaching model of three layers had played important role in computer base teaching.
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