Meanwhile, grey wave forecasting of grey system theory is explained, and the method is applied to economic cycle index forecasting.
阐明了灰色系统理论中灰色波形预测的方法，并将该方法应用到经济循环指数预测中。
Grey wave forecasting of grey system theory is applied to economic cycle index forecasting. The forecasting result is highly closed to the reality.
成功地将灰色系统的波形预测方法运用到经济循环指数预测中，得到了与实际经济波动高度吻合的结果。
By analyzing the domestic and foreign research of export forecast forecasting to building the forecasting index system.
通过分析国内外关于外贸出口预测研究的成果，确定出外贸出口预测的指标体系。
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