Please don't recommend apps that let you customize the UI, input method, or perform system maintenance.
请不要推荐用于自定义界面、输入法或执行系统维护的。
The system starting from the theoretical teaching, dealing with maintenance method training and breakdown elimination training, carrying out an integration of usage and maintenance training.
该系统从理论教学开始，继而进行维护方法训练和故障排除训练，实现了使用和维护训练一体化。
It provides a new method for effectiveness evaluation of maintenance support system and provides quantitative gist for decision.
为维修保障系统效能评估问题寻求出一种新方法，其评估结果可为决策提供定量依据。
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