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价格指数
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价格指数
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【价格指数】
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price index
价格指数
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。
Mathematics
price index
价格指数
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