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cyclical component中文是什么意思

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用"cyclical component"造句"cyclical component"怎么读"cyclical component" in a sentence

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  • 循环分量

例句与用法

  • Then the paper investigated the regularity of different oil indices using time series statistical analysis method , which suggested that there are some regular components in it , including long - term secular trend , seasonal component and long - term cyclical component . the irregular component also plays an important part in it , mainly including the policy of opec , war , all kinds of international convention for the prevention of pollution from tankers and so on . and then a study of simulation and forecasting performance of arima time series model was conducted to crude oil indices , evidence shows that arima model performs better , especially for short - term forecasting
    在此基础上,本文以时间序列分析作为基础研究手段,以德国海运费率指数公布的1980年1月至1999年12月的四类油运费率指数为研究对象,分析了四类油运费率指数的长期变化趋势、季节变化规律、长期周期循环变化规律和不规则变化规律,并应用arima时间序列模型对160000dwt以上的原油运费率指数进行了短期预测,取得了较好的预测效果。
用"cyclical component"造句  
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