【摘要】 本文以评价可靠性的增长水平为出发点，提出了一种简单、实用的评价方法，有助于直接了解可靠性的增减变动；并以电话网为例构建了相应的模型，给出了分析结果．更多还原

【Abstract】 This paper proposed a simple and practical method for evaluating the growth of telecommunication network reliability,which directly shows the change of reliability.And taking a telephone network as an example,it sets up an evaluation model,and gives out the analysis results.更多还原