The result of experiment shows that the developed model has more accuracy than the routine linear regression model and traditional neural network model.

实验结果表明，本文提出的水质反演模型较常规的线性回归模型和传统的神经网络模型有更高的反演精度。

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In addition, some information of the future value of random disturbance term in regression analysis is delivered by complex model, so that the forecasting accuracy is improved.

并且组合模型进一步给出了回归分析中误差扰动项未来值的一些信息，提高了预测精度。

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The expenditure of the funds for scientific research is predicted by means of the GM(1,1)Model and the Linear Regression Model with high accuracy.

本文运用了灰色GM（1，1）模型及线性回归模型对科技经费投入进行预测，从实际算例可知其精确度是相当高的。

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