增长最迅速也最为人所知的技术之一是动态口令牌。

One of the fastest-growing technologies is also one of the most visible: code tokens.

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以前，动态口令牌仅限于小型设备，比如挂在许多公司员工钥匙链上的那些小玩意。

Historically, code tokens have been confined to little devices, like ones that hang off many corporate employees' key chains.

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使用一次口令以生成令牌。

The password is used once to generate a token.

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