Based upon the improved Input Output model of environment economy resources pollution control, the regional multiple objective optimization model of water environment economy is established.

基于改进的经济、环境、资源、污染治理投入产出模型，建立了区域水环境经济多目标优化规划模型。

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BP network can learn and store a lot of input - output model mapping, without prior mapping reveals the mathematical description of this equation.

BP网络能学习和存贮大量的输入-输出模式映射关系，而无需事前揭示描述这种映射关系的数学方程。

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Using the Input - Output model and linear programming method, this article sets up a model of the industrial structure optimization.

根据投入产出模型，利用线性规划方法，建立了中国的产业结构优化模型。

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Second, the input-output model assumes fixed relationships over the time of the forecast horizon.

FORBES: Good News from Sequester: End to (Some) Bad Economic Analysis

The model begins with an input-output table, which says that, for example, the steel mill industry uses the output of the iron ore industry, the electric utility industry, as well as labor and some lesser inputs.

FORBES: Good News from Sequester: End to (Some) Bad Economic Analysis