Based on the basic concept and research contents of Requirement Engineering (re), the validate criterion of Requirement Engineering are summarized generally.
从需求工程的基本概念和研究内容出发，系统比较全面地总结了需求工程验证准则。
The author gives the research hierarchy of 3DGGIS and dwells on the contents of basic model lever, middle technical lever and high thematic lever.
本文提出了三维灰色地理信息系统（3DGGIS）理论，从基础存储层、技术支撑层和专题决策层等方面详细论述了研究内容。
A basic theoretical research on light nuclear reaction and the nuclear data calculation, as the two contents of this thesis have been performed.
本论文主要包含轻核反应基础理论研究和核数据应用研究两方面的内容。
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