Graphically, individual demand curves are summed horizontally to obtain the market demand curve.

个人需求曲线水平相加而得到市场需求曲线。

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By doing this for various prices, we can express the market demand curve as the horizontal sum of the demand curves of the individual consumers.

通过不同价格上的这样分解，我们能够将市场需求曲线表示为单个消费者需求曲线的横向加总。

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By doing this for various prices, we may be able to express the demand curve as the horizontal sum of demand curves for the products of the individual producers.

通过不同价格上的这样分解，我们或许可以将(市场)需求曲线表示为对各个生产者产品的需求曲线的横向加总。

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