Mozilla/5.0 (X11; U; Linux x86_64; fr; rv:1.9.1.5) Gecko/20091109 Ubuntu/9.10 (karmic) Firefox/3.5.5
Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5
Mozilla/5.0 (Windows; U; Windows NT 5.2; zh-CN; rv:1.9.1.5) Gecko/Firefox/3.5.5
