As an important part of the virtual practice teaching system, this system has many management functions, such as exams on line, managing exam papers on line and so on.
该系统作为暑期虚拟实践教学系统的重要组成部分，得到了很好的运用，实现了网上试题管理、在线考试、网上批卷等功能。
This virtual data acquisition system can be conveniently applied to teaching practice for automatic weather stations.
该虚拟气象数据采集器可方便地应用于自动气象站的教学实践，并可大大降低实验的设备费用。
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