研究了商品购销中的浮动价格和需求函数模型问题。
In this paper, mathematical models are investigated for floating price of purchase and sale of commodity and for a demanding function.
研究了商品购销中的浮动价格和需求函数模型问题。
In this paper, mathematical models are investigated for floating price of purchase and sale of commodity and for a demanding function.
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