01;                               Google’s own official website, PRCEO

,  , http://s.www.google.com ,  

02, http://s.www.w3.org                                                      Web network will, which in many websites the source file is can see

03;                         Microsoft official website

http://s.www.microsoft.com   

04, http://s.www.adobe.com                                      Adobe of the US company’s official website, famous graphics and publishing software manufacturer

05;                             computer science and Artificial Intelligence Laboratory of Massachusetts Institute of Technology

(http://s.www.csail.mit.edu )  

06;                                   ( , USA)

07, http://s.www.ns>

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