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前言一个系统或一种产品的可靠性是指该系统或产品在所规定的时间和规定的使用条件下保持其正常功能的能力。通常所讲的质量是指出厂时即t=0的质量也就是狭义的质量指标。可靠性也是产品的一项重要质量指标,是一种时间质量的指标即t>0的质量指标。因此国外已将质量的概念发展为狭义质量指标加可靠性指标。产品的可靠性是个客观存在的老问
Preface The reliability of a system or a product is the ability of the system or product to maintain its normal function over the time and conditions of use specified. Generally speaking, the quality refers to the factory when the quality of t = 0 is a narrow range of quality indicators. Reliability is also an important quality indicator of a product, a quality indicator of time quality t> 0. Therefore, the concept of quality has been developed abroad as a narrow definition of quality indicators plus reliability indicators. The reliability of the product is an objective question