captcha

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。

They check for excessive posts from a single IP address. They require users to register with a valid E-mail address.

他们检查来自同一IP地址的过多帖子，要求用户提供有效的E-mail地址，增加CAPTCHA来阻止自动发帖工具。

This software should submit information to a large number of text ad sites with captcha.

该软件应提交资料的网站的文字广告和大量的验证码。

Looking at things the other way around, a CAPTCHA system based on words that machines cannot read ought to be uncrackable.

从另一个角度看待事物，验证码系统基于机器无法辨认的文字，应该是牢不可破的。

The point of the CAPTCHA is that reading those swirly letters is something that computers aren't very good at.

该测试的重点在于，对于计算机来说，它们不善于辨识这些纠结的字母。

Of course, but picking the right CAPTCHA device is an implementation detail.

当然，选择正确的CAPTCHA设备是一个实现细节。

The CAPTCHA caught on, and now it's all over the Web.

CAPTCHA流行起来，现在，它遍布互联网的每个角落。

But if a computer can't read such a CAPTCHA, how does the system know the correct answer to the puzzle?

不过，既然计算机无法阅读此类CAPTCHA，系统又如何知道这个问题的正确答案呢？

Moreover, you can require to enter a CAPTCHA after a number of failed logins from a certain IP address .

此外，在某一个ip地址多次登陆失败之后你可以要求输入一个验证码。

So if there is a CAPTCH code then the program must fill this automatic. If there is no CAPTCHA then the script must vote directly.

所以，如果有一个CAPTCH代码，然后该程序必须填补这个自动的。如果没有验证码，然后该脚本必须直接投票。

A popular CAPTCHA API is reCAPTCHA which displays two distorted images of words from old books.

一个流行的CAPTCHAAPI是reCAPTCHA它是显示来自于旧书的两个单词的扭曲图片。