本文从虚拟维修中装配拆卸模型的基本特点入手，给出了在进行虚拟维修中所需要的模型的层次化组织结构。
In this paper we begin from the feature of the assembly and disassembly modeling in the virtual maintenance, propose a layering method to assembly and disassembly modeling building.
分析了进行维修服务质量评价的重要性，建立了维修服务质量评价的层次结构，提出分析模型和计算方法，并给出了一个具体实例。
The importance of evaluation of maintenance service quality was pointed out and its hierarchy structure was constructed. Analysis model and calculation method were put forward with a specific example.
本系统通过界面友好的人机交互实现故障诊断、知识获取、维修管理，辅助学习，符合各层次诊断维修人员的需求。
The system realized diagnosis , knowledge acquisition, maintain management and learning assistant by friendly interface, which satisfied maintain personnel in different level.
多波段接收机覆盖频段宽，集成度高，维修保障难度大，采用智能故障诊断时的结构复杂，文章介绍的故障层次分类结构可大大提高智能诊断系统的工作效率。
Its difficult to maintain the multi-band receiver because of its wide frequency range and high integration, for which the usual intelligent detector is very complex.
并以指标权重及单因素评判矩阵对其分层次多因素评价，确定维修决策方式。
According to the index weight and the single factor judge matrix, the layer and multi-factors judgement is given out and the maintenance manner decision-making is provided.
在基于贴近度的模糊评判原理基础上，结合层次分析法(AHP)，实现了维修级别决策的模糊评判。
Combined with Analytical Hierarchy Process (AHP), the author realizes Fuzzy Evaluation of Maintenance Level Decision-making based on close degree of theory of Fuzzy Evaluation.
针对ABC分类在设备维修备件管理中不足以区分重点备件的缺陷，将层次分析法与ABC分类相结合应用于设备维修备件的分类。
Because the most important spare parts can not be distinguished from ordinary spare parts only using ABC classification, a new method, ABC classification based on AHP, is provided in this paper.
针对ABC分类在设备维修备件管理中不足以区分重点备件的缺陷，将层次分析法与ABC分类相结合应用于设备维修备件的分类。
Because the most important spare parts can not be distinguished from ordinary spare parts only using ABC classification, a new method, ABC classification based on AHP, is provided in this paper.
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