实例分析表明，本文建立的灰色预测模型和关联预测模式是可靠有效的。

Analysis of an example shows that the predicting method is reliable and effective.

youdao

实例分析表明，本文建立的灰色预测模型和关联预测模式是可靠有效的。

Analysis of an example shows that the predicting method is reliable and effective.

youdao