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反映一国或地区在特定时期内某类或某种商品或服务价格的相对变动情况的指标,可以表达价格变动的方向、趋势和程度。又称物价指数。
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hydroiodination
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hydrolase
hydrolase; hydrolytic enzyme
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hydrological cableway flow system equipment
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hydrological data series for water conservancy planning
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hydrological effect of agricultural measures
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hydrological inscription in ancient China
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