CAPTCHA
验证码
发音
/ˈkæp.t͡ʃə/
词形变化
CAPTCHAs
复数
CAPTCHAs
别名
captcha
Captcha
释义与例句
n.
-
1.
A computerized test requiring the human user to perform a task deemed to be difficult to automate, such as entering a displayed series of distorted characters or describing images, to demonstrate that they are a human and not a computer program.
验证码
计算机 工程 数学
词源
Coined by a team of researchers at Carnegie Mellon University in 2000 as a loose acronym of “completely automated public Turing test to tell computers and humans apart”.
来源:wiktionary