This paper describes a new method of using expert system tool CLIPS to develop the engineering graphics expert system.
文中探讨了运用专家系统工具CLIPS开发工程制图专家系统的一种新方法。
To fight back record companies stepped up the production of video clips as a marketing tool for their records.
为了复兴唱片业，唱片公司开始进而制作音乐录像盒带作为扩大其唱片市场的工具。
To fight back record companies stepped up the production of video clips as a marketing tool for their records.
为了复兴唱片业，唱片公司开始进而制作音乐录像盒带作为扩大其唱片市场的工具。
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