The grouping operation is based on one or more keys.

分组操作基于一个或多个键。

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Level up to earn more keys and fight against increasing enemy ai difficulty!

水平达到赚取更多的按键和打击增加敌人的AI难度！

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If an object will be looked up by two or more keys, the most reasonable key that you partition by would be the most commonly used key.

如果根据两个或多个键查询一个对象，进行分区所依据的最合理的键将是最常用的键。

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More keys means there's a greater chance someone will swipe the goods.

CNN: Rewriting the fourth amendment

The results were said to be surprising with all the vowels placed in the area assigned to the right thumb, whereas the left thumb is given more keys.

BBC: KALQ thumb-type keyboard takes on Qwerty

There will be a version with pressure-sensitive flat keys and another with more traditional raised keys called a Type Cover.

CNN: 5 ways Microsoft's Surface may be better than an iPad