According to the characteristics of dish-spring combined design, using computer aided design, database and computer graphics technology, this paper gives a CAD system of dish-spring combined design.

根据碟形弹簧组合设计的特点，应用计算机辅助设计、数据库及计算机绘图技术，形成了一个叠形弹簧组合设计的计算机辅助设计系统。

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There are also further descriptions on the characteristics of the process of basic encryption techniques, technology limitation, the effect on DBMS, encryption mode and encryption for database.

详细描述了数据库加密的基本流程特点、技术限制、加密对DBMS的影响、加密方式以及数据库的加密方法。

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According to the characteristics of configuration software, the paper researches on the key technology of configuration software, which includes real-time database and the technique of data exchange.

针对组态软件自身的特点，对组态软件的关键技术——实时数据库(RTDB)与第三方数据交换方式进行了研究。

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