Dolpins also navigates by some kind of echo system.原来海豚也是借助某种回声系统寻向的.Navigates in menus, lists, choice screens and into edited texts.可以操纵菜单 、 列表 、 屏幕选项和进入编辑文本.Which officer in the ship navigates?舰上哪个军官引航?...
He was carrying on about some stupid television series.他喋喋不休地说着某个无聊的电视连续剧。The minute that the war started, everybody was glued to the television.战事一起，所有人都盯紧了电视报道。There were television crews and pressmen from all around t...
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...