求翻译：投入产出法，就是把一系列内部部门在一定时期内投入（购买）来源与产出（销售）去向排成一张纵横交叉的投入产出表格，根据此表建立数学模型，计算消耗系数，并据以进行经济分析和预测的方法。这是由美国的WassilyW.Leontief教授创立的。严格地讲，投入产出法是一种特殊的 经济计量模型，它广泛应用于研究 国民经济两大部类间、积累与消费间的比例关系，预测各部门的投入量和产出量。是什么意思？

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The law of the input-output, which is the product of a series of internal departments within a certain period of inputs (Purchase) source and output (Sales) whereabouts emissions as a cross-cutting the input-output tables, according to this table to establish mathematical models, computing, and cons

Puts into production the law, is invests a series of internal department in certain time (purchase) to originate with delivers (sale) the whereabouts platoon to become one vertically and horizontally to put into production overlapping the form, according to this table establishment mathematical mode

The input-output method, are internal departments within a certain period a series of inputs (buy) source and output (sales) to the input-output tables arranged in a vertical and horizontal cross, establish mathematical models based on this table, calculate the consumption factor, and methods for ec

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