文章还讨论了季节性和趋势性模型。
The seasonal models and the trend models are also discussed in the paper.
预测结果表明季节和趋势预测模型是一种有效和可行的负荷预测方法。
The forecasting result shows that season and trend mode is an effective and feasible load forecasting method.
文章用X-12-ARIMA季节调整模型对中国1997年1月至2009年12月的粮食消费价格月度定基指数进行分解，并得到趋势循环、季节和不规则因素；
The article decompose the monthly fixed base index of consumer food prices from January 1997 to December 2009 in China with X - 12 -ARIMA seasonal adjustment model and Demtra software.
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