As a branch of geophysics, theoretical and applied researches in geothermics are made by using mathematical method and physical model experiment like other geophysical methods.
作为地球物理场的一个分支，地温场在理论和应用研究方面与其它地球物理场一样，也主要是依靠数学方法和物理模型实验的方法来进行的。
In this paper the total factor input function and the total factor productivity function were obtained by using mathematical method, and some problems concerning application were discussed.
本文用数学方法得出了全要素投入函数和全要素生产率函数，并对有关应用问题进行了讨论。
In this paper the total factor input function and the total factor productivity function were obtained by using mathematical method, and some problems concerning application were discussed.
本文用数学方法得出了全要素投入函数和全要素生产率函数，并对有关应用问题进行了讨论。
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