In the third phase, you modify the concepts with more specific relationships that will exist between entities in the various tables.

在第三阶段，用更具体的关系来修改这些将存在于不同表的实体间的概念。

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The third phase, to test whether the vaccine prevents real infection, has not yet been carried out, as there has been no massive spread of H5N1 influenza in people.

第三阶段临床试验用于测试该疫苗是否能够预防真正的传染，由于现在人群中还没有出现大规模的H5N1禽流感传染，所以该阶段还没有实施。

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The third phase of sleep, REM sleep, is known to promote memory retention of learning that took place during the day.

第三阶段的睡眠，即动眼睡眠，能够帮助记忆那些白天学到的东西。

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Asia lags the U.S. in computer and Internet adoption, but the region could well be the third-phase frontrunner.

CNN: ASIANOW - Asiaweek

The third phase (2019-23) would see the global zero accord legally agreed on and signed by all nuclear-capable states.

ECONOMIST: Banning the bomb will be hard, but not impossible

The second phase involved filtering the waste-water a third time, to bring it up to irrigation grade quality, so that it could be reused locally without upsetting anyone downwind of the plant.

FORBES: Making Rum a Green Enterprise