You can think of each rule as defining a mapping (look-up table) between elements of the indicated types.

可以将每个规则都视为在定义所指示的元素之间的映射（查找表）。

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In addition, a look-up table strategy can be used to add additional metadata to each data element when the NIEM metadata is not sufficient.

另外，如果niem元数据不够的话，还可以使用查询表策略在数据元素中添加额外的元数据。

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This feature is mainly used as a look up table when relationship mapping is needed between 2 items.

当两个项目之间需要关系映射时，这个特性主要用作一个查询表。

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This function uses a 10-bit look-up table with a palette of more than one billion colors to select the most appropriate 16.7 million colors for smooth display of color gradations without banding.

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But once that is done, most taxpayers just look up their tax bill on an IRS-provided table.

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Go back to Table 1 and look at how the catching on of iPod and the ramp-up of iPhone impacted results.

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