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  1. en.wikipedia.org › wiki › Timeline_of_the_introduction_of_television_in_countriesTimeline of the introduction of television in countries -...

    Hace 23 horas · 1934. Australia ( electronic television, experimental, Brisbane) [8] 1935. Germany ( intermediate film; semi-electronic), France (electronic - PTT Radio Vision ), Netherlands (electronic, experimental in Eindhoven by Philips) [7] 1936.

  2. wenku.csdn.net › answer › 7j4ksa881oPlayfair密码 - CSDN文库

    Hace 23 horas · Playfair密码是一种古典密码学中的替换密码，使用的是一个5×5的矩阵来对明文进行加密。. 它由英国人Charles Wheatstone于1854年发明并由他的学生Baron Playfair改进而得名。. Playfair密码加密过程如下：. 将明文中的字母进行分组，如果最后一组只有一个字母，则在该 ...

  3. www.realtor.com › realestateandhomes-detail › 2750-Wheatstone-St-Spc-110_San-Diego2750 Wheatstone St Spc 110, San Diego, CA 92111 - realtor.com

    Hace 23 horas · 2750 Wheatstone St Spc 110, San Diego, CA 92111 is for sale. View 30 photos of this 1 bed, 1 bath, 550 sqft. mobile home with a list price of $164990.