Requirements gathering is another important task undertaken during the model phase.

收集需求是建模阶段中另一项重要的任务。

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Equipment maintainability data collection and analysis are important part of maintainability task in use phase.

维修性数据的收集与分析是装备使用阶段维修性工作的重要内容。

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Equipment maintainability data collection and analysis are important part of maintainability task in use phase.

维修性数据的收集与分析是装备使用阶段维修性工作的重要内容。

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