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So how many megahertz does the brain run at ?

那么大脑以多少兆赫兹的频率运行呢？

By contrast , the white space freed up below 700 megahertz is to be made available for unlicensed use by the public .

与此相反，空出来的700兆赫以下的白色空间将会提供给无须授权的公众使用。

The most valuable frequencies of all-those in the 700 megahertz band ( channels 52 to 69 ) - have been auctioned off to mobile phone companies .

这当中最为宝贵的频率700兆赫段（52到69频道）已经被诸多移动电话公司竞拍取得了使用权。

Future flight part11of12.communications revolution : get ready for more megahertz , and a phone in every cockpit .

未来飞行：12部分之11:通讯的革命：准备更大的通讯频率空间，并且每个驾驶舱有一部电话。

The fcc thinks it can liven things up by giving wireless carriers a better chance to compete in the broadband business . To that end , it plans to release a further 500 megahertz of bandwidth over the next decade and auction it to the mobile carriers .

fcc认为使无线运营商有机会进入宽带业务会使得竞争气氛更加活跃，因此，他们计划在未来十年再发放500兆赫的带宽并拍卖给移动运营商。