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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
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
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
By Kane Farabaugh New York City 19 December 2007 The New York Police Department Aviation Unit was founded in 1928, and is considered the first and longest-running police aviation unit in the United States. It is a unit that has transformed over the y
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
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,