QR codes are2-D images designed to carry alphanumeric and other information. QR码是一些2-D图像,用来携带字母数字和其他信息。
A sequence of 8 bits ( enough to represent one character of alphanumeric data) processed as a single unit of information. 一个可处理为独立信息单元的八位序列(足以代表一个字母数字数据的字符)。
The display unit which consists of an alphanumeric display and a buzzer, informs the driver of recognition result, timing of utterance. Refer to Group 8U Chime/ Buzzer Warning Systems for more information on the driver seat belt switch. 显示器包括一个数学字母显示器和一个蜂鸣器,它向驾驶员报告识别结果和发音定时。关于驾驶员安全带开关,详见单元8U-警鸣/蜂鸣警示系统。
Compared with the traditional alphanumeric passwords, the newly emerging graphical passwords take full advantage of the large amount of information and better memorability of pictures, and achieve better performance in usability, memorability and security. 与传统的文本口令相比,新兴的图形口令机制充分利用了图形包含的信息量大并且容易记忆的特点,在可用性、可记忆性以及安全性等方面都有明显的优势。