单词：fixed monitoring station
单词：fixed monitoring station 相关文章
Three radio stations in the United States mainly broadcast one thing: the official time. The three are radio stations WWV and WWVB, in the state of Colorado, and WWVH, on the island of Kauai in Hawaii. They send out signals that are used by millions
2018年VOA慢速英语(九)月
Broadcast: Mar 15, 2003 The U.S. space agency NASA is getting ready to resume shuttle flights as early as September or October. But the return to flight depends on whether the cause of the shuttle Col
VOA2003（上）-科技先知
补充： CBR continuous bit rate CCIS common-channel interoffice signaling CCITT CCITT is the International Consultative Committee for Telephone and Telegraph, a consultative committee to the Interna
电信英语
Disgraced New York money manager Bernard Madoff has pleaded guilty to all 11 criminal charges related to a massive Wall Street Ponzi scheme he had masterminded over the past two decades. NPR's Dina Temple-Raston reports from New York. Madoff told a
2009年NPR美国国家公共电台3月
AS IT IS 2014-12-13 Out-of-this-World Espresso for Astronauts 为宇航员准备的浓缩咖啡 Italian-style espresso coffee has a large public following around the world. Many people have given up traditional coffee and have turned to this thicker
2014年VOA慢速英语(十二)月
April 21 4月21日 Read it! 读读看！ Everyone is excited for the governor's visit. 所有人都对州长来访感到很兴奋。 Alex thought he was going to lead the station tour. So did Rob. 亚力克斯以为自己要负责带领电视台导览，
大家说英语