To avoid outages, multiple key versions are simultaneously supported.

为了避免停机，将同时支持多个密钥版本。

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Used to choose the proper key if the selected column is a member of multiple key definitions.

如果选取的资料行为多重索引键定义的成员，则可用来选择适当的索引键。

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Multi DIMENSIONAL CLUSTERING (MDC) - organizing data in table (or range of a table) by multiple key values.

MULTI DIMENSIONAL CLUSTERING (MDC)——根据多个键值组织表(或一个表中的范围)中的数据。

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Still, demand for BlackBerry and its wildly popular BBM service is strong within multiple key markets worldwide, and the number of subscribers continues to increase.

ENGADGET: IDC: Android claims 75 percent of smartphone shipments in Q3, 136 million handsets sold

Technical support should be offered to republics wishing to obtain a "dual-key" or "multiple-key" veto over the use of Soviet nuclear forces on their territory.

CENTERFORSECURITYPOLICY: The U.S.-Soviet Trade Agreement: Overtaken By Events

Mike Lanman, chief marketing officer of Verizon Wireless, said the company is addressing other user complaints in future releases, such as allowing users to type on a full keypad in portrait mode, rather than a keypad with multiple letters per key.

WSJ: BlackBerry Storm Is Off To Bit of a Bumpy Start