Tokens typically consist of an alphanumeric string, ending with a special +\ sequence.

令牌通常由字母数字串组成，并以特定的 +\ 序列结束。

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Italian fiscal code The tax code card in Italy is an alphanumeric code of 16 characters.

意大利财务代码Italy的税码卡是一个包含16个字符的字母数字代码。

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An alphanumeric part number. This part number is unique and could suffice as the primary key.

字母数字零件号此零件号惟一并且可以用作主键。

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Back in the early 80s a man by the name of Geoff Goodfellow had an idea: to relay electronic mail from Arpanet to his alphanumeric pager.

ENGADGET: Geoff Goodfellow, early inventor of wireless email, profiled