What Amazon needs next is a steeply rising sales curve for the Kindle Fire, which could provide the necessary scale to challenge Apple.
亚马逊接下来需要的乃是Kindle Fire的市场大卖，这将为挑战苹果提供必要的规模效应。
By way of mathematic analysis and extremum method, and the curves expressing the functions of sales price curve and the sales volume are determined reasonabl.
本文针对攀钢钢铁产品销售价格的组成，进行了理论分析和研究。
By way of mathematic analysis and extremum method, and the curves expressing the functions of sales price curve and the sales volume are determined reasonabl.
本文针对攀钢钢铁产品销售价格的组成，进行了理论分析和研究。
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