404. That’s an error.

The requested URL /translate_c?act=url&depth=1&hl=fr&ie=UTF8&prev=_t&rurl=translate.google.com&sl=fr&tl=en&u=http://books.google.com/books%3Fid%3DUozoUgph8RMC%26pg%3DPA283%26dq%3D%2522le%2Bson%2522%2Bamplitude%2Bfr%25C3%25A9quence%26hl%3Dfr%26ei%3DlOsRTa_yEsPOswabmIjWDA%26sa%3DX%26oi%3Dbook_result%26ct%3Dresult%26resnum%3D8%26ved%3D0CE8Q6AEwBw&usg=ALkJrhhy-S0D4j06Q1d2JZCTxYrh-zZQpw was not found on this server. That’s all we know.