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。
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。
Based on analyzing the economical life cycle expense of equipment, according to the system characteristics, the GM (1, 1) model of grey system theory is used.
在分析装备的寿命周期费用的基础上，根据系统特点，运用灰色系统理论的GM(1,1)模型。
Based on analyzing the economical life cycle expense of equipment, according to the system characteristics, the GM (1, 1) model of grey system theory is used.
在分析装备的寿命周期费用的基础上，根据系统特点，运用灰色系统理论的GM(1,1)模型。
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