| The stabile provision of coal is the important foundation to the generate electricity enterprise security.In allusion to the large-scale fluctuation of coal in recent years,the paper linked the instance of main ports in China,exercised the theory of Early-Warning,analyzed the relationship of price and stockpile,combined the uncertainty analysis methods and elicit the stockpile threshold,at last forecasted the trend of coal based the method of ARIMA.Finally,a summary and prospect are given. |
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