The report repeats items in an inner row field as necessary for each outer row field item.

内部行字段中的项目是可以重复出现的，而外部行字段项目则相反；

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Rotating 16 birds through the positions in a four-duck row, the researchers found outer birds half-asleep during some 32 percent of dozing time versus about 12 percent for birds in internal spots.

研究人员把16只鸟按顺序4只排成一排，发现外面的鸟在32%的时间里处于半睡眠状态，而内部的鸟只有12%的时间处于半睡眠状态。

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For every row found in the outer table, the database server searches for its corresponding row in the second (or inner) table.

对于在外部表中找到的每一行，数据库服务器将在第二个(或内部)表中搜索其相应的行。

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