单词CAPTCHA
n.: 【IT】验证码
网络: 图灵测试；验证码技术；验证字
【IT】验证码,全自动区分电脑与人类的图灵测试
复数：captchas
If you"ve signed up for any sort of online service there is a high likelihood you"re very familiar with CAPTCHA.
如果您曾经需要在线注册任何形式的网上服务，你很可能已经熟悉了CAPTCHA。
More specifically, each word that cannot be read correctly by OCR is placed on an image and used as a CAPTCHA.
具体地说，就是将OCR无法正确识别的单词以图片的方式显示并作为CAPTCHA来使用。
The idea of negative CAPTCHAs is not to ask a user to proof that he is human, but reveal that a spam robot is a bot.
这个消极的CAPTCHA的主意，不是去让用户证明他是一个人，而是让一个机器人证明他是个机器人。
Even if those numbers exaggerate the system"s efficacy tenfold, though, it would still represent a significant blow to the CAPTCHA model.
即便这些结果是实际系统效用的10倍，也仍然是对CAPTCHA模式的一记重击。
Even better, the system has proved to be far better at resisting attacks than other types of CAPTCHA.
更妙的是，这一系统已经证明其在抵御攻击方面比其他类型的验证码具有更加卓越的性能。
Try advancing the captcha arms race through measured keystroke press and release times for your web authentication applications.
通过在Web身份验证应用程序中测量击键按下和释放时间，进一步推动captcha竞赛。
Each unknown word is presented as a CAPTCHA several times, to different users, to ensure that it has been read correctly.
每一个未知词作为验证码呈现给不同用户数次，确保它被正确辨认。
The right piece of article writing software can support captcha text and quickly move you through the submission process.
在编写软件物权一块可以支持快速移动的文字和验证码通过提交过程。
Try advancing the captcha arms race through measured click-hold times for your Web authentication applications.
尝试通过为Web验证应用程序测量单击按住时间，进一步推动captcha技术。
Despite these difficulties, CAPTCHA has become one of the most popular spam prevention devices.
如果忽略这些困难不谈，CAPTCHA已经成为了时下最流行的垃圾信息防治工具之一。