A functional index transforms the data in a column and stores the derived values in sorted order.

函数索引对列中的数据进行转换并按照顺序保存转换后的值。

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It might contain metrics for trip duration, pick-up and drop-off delays, a customer satisfaction index derived from these, average driving speed, and so on.

一次旅行的MC可能包含旅行持续时间、上车和下车延迟、从这些度量得出的客户满意度指数、平均行车速度等度量。

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But inflation expectations, derived from the gap between yields on index-linked and conventional bonds, hardly suggest fears of a Zimbabwe-style debasement.

但是，由指数连动债券与一般债券的息差产生的通胀预期，不会引起津巴布韦式货币贬值的恐慌。

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If one follows a diet that would be derived from the glycemic index; you're likely to have a pretty healthy diet.

如果一个人遵循基于血糖指数的饮食计划,你会得到一个相当健康的饮食

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The index is derived from data that for the most part have already been reported individually.

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Unlike other indexes such as the NYSE Arca Gold Mining Index, which actually includes several silver miners, over 95% of the revenues from the companies in the Solactive Index are derived from gold mining.

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Singapore, for example, is the center for trade in Japanese stock index futures, and it once tried - but failed - to launch a Hong Kong-derived product.

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