And the approach has the additional advantage of giving every table's primary key an identical and predictable name and format.

而且这种方法在为每个表的主键提供完全一致和可预测的名称以及格式方面有着额外的优势。

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Press the “R” key to align Northto the top of the screen, giving a direct overhead (plan) view.

点击"R"键来使地图的北方对应屏幕的正上方，并使用从建筑物顶的俯视图查看当前位置。

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For Apple, the one-year-old app Store has been a key driver of sales of its iPhone and iPod touch devices, by giving consumers new applications to keep coming back to download.

对苹果来说，开业一年的App Store一直是其销售iPhone和iPod触摸装置的主要驱动力，不断提供给消费者新的应用程序，让他们不断回来下载。

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But if the economy and financial markets are giving mixed signals, key members of the Obama administration also appear less than uniform in their economic pronouncements.

VOA: standard.2009.03.15

He made the case for parents as the key to giving children a sense of self-esteem beyond the barrel of a gun.

WSJ: Juan Williams: Race and the Gun Debate

Another key part of the process is giving the young people role models they can follow.

BBC: Can private companies make the Youth Contract deliver?

The concern stems from giving up control of key assets and data without effectively managing the risk of doing so.

FORBES: Cloud Computing Hides Big Issues In Corporate Data Sharing