Principles of Database System of testing, a variety of test requirements and methods.

数据库系统原理的试验，各种试验的要求和方法。

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This article introduces the principles of the database, type, and its development prospects in the air-conditioning system applications.

本文主要介绍了有关数据库的原理、类型、发展前景及其在空调系统中的应用。

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This paper introduces the design principles and the design feature of the health information analysis system by the use of relational database.

本文介绍了用关系数据库来实现健康信息分析系统的设计思想和设计特点。

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