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单词 captcha
释义

Definition of captcha in English:

captcha

(also CAPTCHA)
nounˈkaptʃəˈkapSHə
  • A computer program or system intended to distinguish human from machine input, typically as a way of thwarting spam and automated extraction of data from websites.

    Example sentencesExamples
    • You could always add a CAPTCHA to the comments submission system.
    • Anecdotal evidence also suggests that CAPTCHAs are getting harder, with some effectively indecipherable.
    • The whole point of CAPTCHAs is to ensure that it's a real person visiting a website, not just a bot on a computer.
    • Their technology provides overrides for false hits on open proxies via CAPTCHA.
    • "Within five years, about 200 million Captchas were being typed everyday," he says.
    • I guess the spammers tools are too simplistic to even attempt to break the captcha.
    • The point of the CAPTCHA is that reading those swirly letters is something that computers aren't very good at.
    • Keep in mind, Captchas can most likely easily keep ahead of the state of AI for many years to come.
    • I can "solve" most CAPTCHAs in a few seconds.
    • Every time you edit a page, you have to pass a captcha.
    • The spammers are thinking up ever more ingenious ways to break the captchas.
    • The captcha is the junk filter's last resort.
    • The website employs captchas, where you guess, then type, the correct series of letters into a textbox for authentication purposes.
    • Most Captcha programs apply mathematical transformations to their images which can potentially be reversed, thus allowing spammers to crack the Captcha.
    • And despite the fact that Captchas are unpopular with some people, their use is increasing.
    • As captchas have become more sophisticated, in an arms race against algorithms designed to crack them, humans often make errors reading them.
    • The goal of CAPTCHAs is to authenticate that there's a person sitting in front of the computer.
    • An estimated 6 million Captchas are completed each day, costing users 10 seconds each, wasting an overwhelming number of labor hours.
    • Those familiar squiggly letters are Captchas, an upgraded security measure used by many Web sites to distinguish humans from spambots.
    • But resourceful hackers have found ways to solve Captchas, and he has had to rethink the program.

Origin

Early 21st century: acronym from Completely Automated Public Turing test to tell Computers and Humans Apart.

 
 

Definition of captcha in US English:

captcha

(also CAPTCHA)
nounˈkapSHə
  • A program or system intended to distinguish human from machine input, typically as a way of thwarting spam and automated extraction of data from websites.

    Example sentencesExamples
    • And despite the fact that Captchas are unpopular with some people, their use is increasing.
    • Anecdotal evidence also suggests that CAPTCHAs are getting harder, with some effectively indecipherable.
    • Every time you edit a page, you have to pass a captcha.
    • Those familiar squiggly letters are Captchas, an upgraded security measure used by many Web sites to distinguish humans from spambots.
    • You could always add a CAPTCHA to the comments submission system.
    • As captchas have become more sophisticated, in an arms race against algorithms designed to crack them, humans often make errors reading them.
    • I can "solve" most CAPTCHAs in a few seconds.
    • The spammers are thinking up ever more ingenious ways to break the captchas.
    • The goal of CAPTCHAs is to authenticate that there's a person sitting in front of the computer.
    • The website employs captchas, where you guess, then type, the correct series of letters into a textbox for authentication purposes.
    • I guess the spammers tools are too simplistic to even attempt to break the captcha.
    • Most Captcha programs apply mathematical transformations to their images which can potentially be reversed, thus allowing spammers to crack the Captcha.
    • Keep in mind, Captchas can most likely easily keep ahead of the state of AI for many years to come.
    • An estimated 6 million Captchas are completed each day, costing users 10 seconds each, wasting an overwhelming number of labor hours.
    • "Within five years, about 200 million Captchas were being typed everyday," he says.
    • But resourceful hackers have found ways to solve Captchas, and he has had to rethink the program.
    • The point of the CAPTCHA is that reading those swirly letters is something that computers aren't very good at.
    • Their technology provides overrides for false hits on open proxies via CAPTCHA.
    • The whole point of CAPTCHAs is to ensure that it's a real person visiting a website, not just a bot on a computer.
    • The captcha is the junk filter's last resort.

Origin

Early 21st century: acronym from Completely Automated Public Turing test to tell Computers and Humans Apart.

 
 
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更新时间:2025/2/7 19:07:38