首先，通过历史数据分析和过程知识，建立故障模式库。
First of all, a fault pattern bank is formed through historical data analysis and process knowledge.
利用性能数据仓库中的历史数据分析趋势并为增长制定计划。
Leverage historical data in the performance warehouse to analyze trends, and plan for growth.
该文通过电价的历史数据分析提出了电价的混合模型，以描述电价行为特性。
The hybrid stochastic model for electricity spot price is developed through analyzing the inherent characteristics of historical price data.
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