Law of demand: price and quantity demanded are negative ( inversely ) related.

需求定律: 需求量 一般与价格成反方向变动.

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Govern by supply and demand, price is invisible hand in economics.

在经济生活中, 价格是看不见的手,取决于供给与需求关系.

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Significant demand is price of commodity total supply and total demand price achieve balanced total demand.

有效需求是商品总供给价格和总需求价格达到均衡的总需求.

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The market demand, price and development trend of world phthalic anhydride are reviewed.

介绍了国内外苯酐的市场需求和价格情况以及发展趋势.

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To analyze the status of supply & demand, price and imports & exports of Concentrated acid.

分析浓硝酸的市场供需情况 、 价格及进出口情况.

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