The introduction of multimedia technology into college English teaching has posed a great challenge to the traditional teaching model.
随着多媒体网络技术引进大学英语教学，传统的英语教学模式正面临着极大的冲击。
Active fuzzy data model is studied based on relation data model. Following an introduction to active fuzzy database technology, the structure of active fuzzy database is analyzed.
在关系数据模型的基础上，对主动模糊数据模型进行了研究，介绍了主动模糊数据库技术，分析了主动模糊数据库的结构。
The paper analyzes the characters of the ha technology, cleans up the basic structure arrangement of the ha system, and gives the brief introduction of several important roles in the existing model.
本文首先从分析高可用技术的特点入手，理清了高可用系统的基本结构层次，并对现有模型的几个重要角色及其操作进行了简介。
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