Static libraries generally start with the letter lib, and have the extension .a.

静态库一般由字母 lib开头，并有 .a 的扩展名。

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And you can use letter collections (as you might in a regular expression), for example, to list the files with a "c" or "o" extension, as shown in Listing 2.

并且您可以使用字母集合(就像您可能在正则表达式中使用的那样)，例如，用于列出具有“c”或“o”扩展名的文件，如清单2所示。

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We have already referred your letter to one of our extension division.

我们已经提到你在信中向我们的一个推广组。

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The letter urging extension of the tax breaks for dividends and capital gains joins another letter to Mrs.

WSJ: More Democrats Urge Broad Tax Breaks

By turns, Jobs was both boastful and contrite in the letter, as he addressed both iPhone customers, and, by extension, Apple investors.

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