megahertz是什么意思,megahertz怎么读,
英式发音:[ˈmeɡəhɜːts] 美式发音:[ˈmeɡəhɜːts]
2.Wireless telephone that permits telecommunication within a defined area that may include hundreds of square miles, using radio waves in the 800-900 megahertz (MHz) band.
允许在数百上千公里的确定区域内通信的无线电话,使用800 ~ 900兆赫(MHz)频带的无线电波。
3.Quartz crystals are manufactured for frequencies from a few tens of kilohertz to hundreds of megahertz.
加工成型的石英晶体的频率可从几十千赫兹到数百兆赫兹。
4.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。