Note that this table has two primary keys.

注意这个表有两个主键。

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The primary keys used are random 18-digit integers.

使用的主键是随机18位整数。

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The DataSet also depicts the primary keys of the two tables.

该数据集还描述了这两个表的主键。

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Rather than close or minimize a phone window to interact with a background application like a music player, users could control a primary application, like email, via touchscreen or keys, and manage the background application via gestures, said Goren.

FORBES: Texas Instruments Sees Big Market For Smartphone Gesture Recognition