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It starts with a blip, a beep, a noise, a pattern, a signal. It could be anything - ink on paper, machine data, or even the words flowing through your minds right now. Signal generators play an important role in testing devices we use every day. The

发表于:2018-12-11 / 阅读(50) / 评论(0)

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[00:05.30]Lesson 45 1 Dialogue [00:11.68]Zhou Lan and Bruce are talking about listening to English. [00:17.42]What do you find hardest in English? [00:21.29]I find listening really hard. [00:24.95]Sometimes it's just impossible to understand. [00:29.

发表于:2018-12-13 / 阅读(126) / 评论(0)

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丹尼尔玩得非常高兴，他想要和妈妈姐姐玩捉迷藏的游戏。但是玩着玩着，好像又出事了，这次是怎么了呢？ Listen Read Learn Shirley: Excuse me. I seem to have lost my son. Announcer: Take it easy, madam. And speak slowly. May I have your name first? Shirley:

发表于:2018-12-26 / 阅读(58) / 评论(0)

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在这个节目中我们将学到：经典语境背诵 Mom：I dont like taking Daniel out. He is just too naughty and if you are not careful enough he would keep on making troubles. One time in the Amusement Park he got lost and we spent the whole

发表于:2018-12-31 / 阅读(55) / 评论(0)

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D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(71) / 评论(0)

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By Dan Robinson Capitol Hill 19 April 2007 U.S. lawmakers are urging the Bush administration to reconsider proposed budgetary reductions that would end most radio broadcasting in the English language by government-funded Voice of America. VOA's Dan R

发表于:2019-01-12 / 阅读(90) / 评论(0)

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