The grey system model is efficient for long-term port throughput forecasting.
灰色系统预测模型是一种进行港口吞吐量预测的有效方法。
It was showed that the grey system model may be used as a new tool in environmental scientific research.
研究表明，灰色系统模型在环境科学研究中可以作为一种新的认识方法。
Using improved euler method to solve the grey system model was simple and rapid. The predicted value accorded basically with the surveying value.
采用改进的欧拉算法求解灰色系统模型简单快捷，预测结果与实测值基本符合。
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