This indicates that the series of prices of Yangtze River electric power stock is a fractal time series and presents obvious long memory.
这表明长江电力股票价格序列是一个分形时间序列，呈现明显的长记忆性特征。
The PROJECT of THREE GORGES on Yangtze River is a key item for governing and developing Yangtze River and it has a comprehensive efficiency on flood control, electric power and shipping.
长江三峡工程是治理、开发长江的一项关键工程，它具有巨大的防洪、发电和航运等综合效益。
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