G. maintenance Data: Include maintenance procedures, recommendations for maintenance materials and equipment, and suggested schedule for cleaning.

维护保养资料：包括维护程序、推荐的维护用品和设备以及建议的清洁进度安排。

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In the actual application environment, the mass of data mainly includes the following three kinds of data: business data, operation and maintenance data, illegal data;

在实际应用环境中，海量的数据主要包括以下三种数据：业务数据、运维数据、非法数据；

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On the basis of improving cause-and-effect analysis of MTBF and statistical analysis of the classified maintenance data, then it further analyzes the major quality characteristics factor of MTBF.

在MTBF指标因果分析和故障数据分类的基础上，进一步分析了影响MT BF指标的关键质量特性。

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Using interviews, inspections of wreckage and reviews of maintenance data, NTSB investigators have determined that the first, eastbound Metro-North train derailed and came to a stop in the path of an approaching westbound train.

WSJ: Probe of Metro-North Derailment in Connecticut Focuses on Rail

By setting up a few simple Excel formulas (nothing more complicated than addition and division, you can see what they look like in this sample spreadsheet), you can not only track your maintenance data (what the mechanics did, when they did it, how much it cost, and what the mileage was at the time) but also see your average daily mileage during each period between servicings.

CNN: Use your Mac to track your money

Also, LTE as a network technology not only supports higher speeds but is also more efficient than current 3G networks at handling data, reducing maintenance and handling costs.

FORBES: Verizon Promotes LTE Over iPhone With Good Reason