国产欧美精品一区二区,中文字幕专区在线亚洲,国产精品美女网站在线观看,艾秋果冻传媒2021精品,在线免费一区二区,久久久久久青草大香综合精品,日韩美aaa特级毛片,欧美成人精品午夜免费影视

in order to meet the requirements of naval aircraft maintenance support for naval aircraft maintenance personnel, an extension evaluation method for fault damage level of aeronautical equipment is proposed. The concept of fault element is given, and the fault of aeronautical equipment is described formally. The concept of accuracy is introduced to characterize the accuracy of discriminating characteristic values. Based on that, the damage degree of aeronautical equipment failure is evaluated by extension theory and method, which provides important references for identifying fault maintenance programs. The calculation example shows that the method is reliable and practical, and has good application value.