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关于 Google reCAPTCHA 的一篇科普文章

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  •   Livid ·
    PRO
    · Feb 18, 2013 · 3436 views
    This topic created in 5012 days ago, the information mentioned may be changed or developed.
    2 replies  •  1970-01-01 08:00:00 +08:00
    altchen
    altchen
    Feb 18, 2013
    1
    很有意义,刚知道还有这作用,赞
    hypercore
    hypercore
    Feb 19, 2013
    2
    长知识了。原来reCAPTCHA的验证图片是这样来的。
    话说以前曾经输了10次reCAPTCHA都错,还见过拉丁文参杂其中。
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