Fourth, the theoretical model of optimum technological growth rate under discrete change is erected.

第四，构建了技术突变条件下的最优技术增长率模型。

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Third, in the case of gradual technological growth, the mathematical model of the optimum technological growth rate is built.

第三，构建了技术渐变条件下的最优技术增长率模型。

youdao

Third, in the case of gradual technological growth, the mathematical model of the optimum technological growth rate is built.

第三，构建了技术渐变条件下的最优技术增长率模型。

youdao