The framework of CNG vehicle service system and the principle of the CNG layout and the evaluation of guideline system are analyzed.

分析了城市CNG汽车加气站服务系统的结构体系和CNG加气站布局规划原则和评价指标体系。

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Communication equation and radar equation are very important in system design, project argumentation, guideline analysis and efficiency evaluation of electronic warfare.

通信方程与雷达方程在通信与雷达系统设计、总体方案论证、电子对抗指标分析与效能评估等方面发挥着十分重要的作用。

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In addition, it discusses the guideline of the index system of credit rating evaluation of model building and improvements on the existing in.

另外，本文还讨论了建立信用等级评价指标体系的原则，并且对现有的指标体系进行了适当的改进。

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