并确定了生产规模的可行范围，并以矿井生产寿命期内获得净收益现值最大为目标，给出了一种确定矿井最优生产规模的经济数学方法。
The available ranges of production scale are determined based on the analysed result. The method to get the best production scale is determined for getting the most profit in the whole mine.
数学方法在经济、医学、农业、建筑和艺术等现代知识的所有领域中都得到了广泛的应用。
Mathematical methods are used extensively in economics, medicine, agriculture, architecture, arts and all other fields of modern knowledge.
数理经济学指的是应用数学方法来代表的经济理论和分析问题，提出经济。
Mathematical economics refers to the application of mathematical methods to represent economic theories and analyze problems posed in economics.
针对目前国内利用二元二次肥料效应函数确定最佳经济施肥量的数学方法存在的问题。
The function of binary quadric fertilizer effect has been extensively used in China to determine the optimum economy fertilizing quantity.
本文简单地介绍了经济学中的数学方法，回顾了它的历史，并展望了的广阔的前景。
In this paper, We briefly introduce the mathematical methods in economics, look back to its history and look forward to its broad prospect.
增长模型是在经济学家谋求用数学方法来解释发达工业国家经济史的时候兴起的。
Growth models arose when economists sought to explain the economic history of advanced industrial countries in mathematical terms.
增长模型是在经济学家谋求用数学方法来解释发达工业国家经济史的时候兴起的。
Growth models arose when economists sought to explain the economic history of advanced industrial countries in mathematical terms.
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