产品从研制到生产及交付使用,不论从项目管理的角度,还是从企业质量管理体系的角度,都应对每个项目进行回顾总结和评价,从中吸取经验教训,不断提高企业管理水平和产品质量。为保证和提高产品实际使用质量和可靠性,客观上需要对产品质量与可靠性进行综合分析评价。但要系统、全面、客观地分析评价复杂产品质量与可靠性实际水平是非常困难的,特别是全过程的产品质量与可靠性状况通常很难用量化的指标进行综合评价。因此,开 Products from development to production and delivery, both from the project management point of view, or from the enterprise quality management system point of view, should review each project summary and evaluation, learn from the lessons learned, and constantly improve the level of enterprise management and product quality. To ensure and improve the actual use of product quality and reliability, the objective need to conduct a comprehensive analysis of product quality and reliability evaluation. However, it is very difficult to systematically, comprehensively and objectively analyze and evaluate the actual level of the quality and reliability of complex products. In particular, the quality and reliability status of the whole process is often difficult to evaluate quantitatively with quantitative indicators. So, open