document.write("<div class=\"item\">    <div class=\"title\"><a href=\"http://www.itpow.com/c/2009/03/2SPA7FWGLRSJCOKQ.asp\" target=\"_blank\"><span class=\"key\">CPU</span> <span class=\"key\">频率</span> <span class=\"key\">1000</span><span class=\"key\">GHz</span> <span class=\"key\">指日可待</span>—— <span class=\"key\">MIT</span> <span class=\"key\">研制</span><span class=\"key\">出</span><span class=\"key\">新型</span><span class=\"key\">信号</span><span class=\"key\">倍增器</span></a></div>    <div class=\"abstract\"><span class=\"pubDate\">2009年03月25日</span> <span class=\"key\">MIT</span> 研究人员最近在实验室利用 Graphene（石墨烯）制造<span class=\"key\">出</span>了<span class=\"key\">新型</span>的<span class=\"key\">信号</span><span class=\"key\">倍增器</span>。 这种<span class=\"key\">信号</span><span class=\"key\">倍增器</span>能够利用很少的能量产生很纯净的<span class=\"key\">信号</span>，未来几年可以应用于 <span class=\"key\">CPU</span> 制造，有望将 <span class=\"key\">CPU</span> <span class=\"key\">频率</span>从现在的</div>    <div class=\"url\"><a href=\"http://www.itpow.com/c/2009/03/2SPA7FWGLRSJCOKQ.asp\" target=\"_blank\">http://www.itpow.com/c/2009/03/2SPA7FWGLRSJCOKQ.asp</a></div></div>")