A frequency of one million megahertz, 10000? 200 Hz.一百万兆赫(兹)频率, 即10000? 200赫(兹)....UHF frequencies of around 900 megahertz.大约900兆赫的超高频率The bandwidth ( megahertz ) and spectrum position of the signal arising from televisi...
Envy assails the noblest, the wind howls around the highest peak.位高招人怨; 山高刮大风.It is at our mother's knee that we acquire our noblest and truest and highest , but there is seldom any money in them. ( Mark Twain , Ame...
A voter must necessarily be no younger than eighteen.选民必须在18岁以上.One voter in Brasilia summed up the mood — "Politicians have lost credibility," he complained.一位巴西利亚的选民将人们的心情一言概之——“政客们已无信誉可言”，他抱怨道。The election results wer...