根据以上的三个系统，我们可以确定股票价格预测模型。
By the three systems above, we could build the model of stock price evaluating.
以最小二乘支持向量机为工具，构建了基于功能驱动的产品价格预测模型。
The product price forecasting model based on function-driven was presented by use of LS-SVM.
本文进行的研究工作如下：（1）基于灰色系统理论的化工产品价格预测模型的建立及验证。
The study work of this paper as follows:(1) Price forecast model for chemical product is established and verificated which is based on grey system theory.
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