The basic function, constructing way and information searching workflow of sub-module were studied, which provide base for development of learning module of virtual printing problems training system.
通过研究子模块的基本功能、构建方法和信息检索流程，为虚拟印刷故障培训系统学习模块的开发奠定基础。
The teaching and learning system of sing english training program.
第一部分：歌唱英语速成教学体系。
Multi teaching content system for college tennis classes is good for the students to choose their own learning and form habit for lifetime physical training.
高校网球课构建多样化教学内容体系，有利于学生灵活自主地选择学习内容，符合高校培养目标和素质教育的要求。
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