Two-factor systems rely not just on something you know, however, but also on something you have, such as an electronic token, or something you are, in the form of a biometric.
要通过“双重认证系统”，不仅需要你提供你所知道的信息，而且还需要你携带的东西（比如某种电子信物），或者你身体的某部分（以生物识别形式）。
This paper introduces one time password technology, electronic token technology, biometric technology and hardware recognition technology.
文章介绍了一次性口令技术、电子令牌技术、生物识别技术和硬件识别技术。
This paper introduces one time password technology, electronic token technology, biometric technology and hardware recognition technology.
文章介绍了一次性口令技术、电子令牌技术、生物识别技术和硬件识别技术。
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