A system effectiveness evaluation model for the re-entry aircraft was established on the basis of the frame of ADC method and the WSEIAC concept.
再入作战飞行器系统效能评估指标体系，以adc方法为基本框架，基于WSEIAC模型建立。
The paper aims to explore evaluation methods that are fit for constellation satellite communication system effectiveness evaluation, and proves the robustness and reliability of them.
本课题目的在于研究适合于星座卫星通信系统的效能评估方法，并分析评估方法的鲁棒性和可信性。
A lack of monitoring and evaluation tools to determine the impact of policies and regulations on the efficiency and effectiveness of the procurement system.
缺少相应的监测和评价制度，因而不能确定政策和规章制度对采购体系效率和效性有何影响。
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