Finally, all factor productivity model was established, which can give an overall evaluation of technical progress in an enterprise.
最后构造了煤炭企业全要素生产率模型，并进行了煤炭企业技术进步的综合评价。
Finally, all factor productivity model was established, which can give an overall evaluation of technical progress in an enterprise.
最后构造了煤炭企业全要素生产率模型，并进行了煤炭企业技术进步的综合评价。
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