单词：varactor-tuned oscillator
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841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、
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Remembering Davy Jones Most of his fans first heard of Davy Jones in 1966, when the Monkees television program invaded living rooms worldwide. In reality, the then 21-year-old actor and singer from Manchester in the United Kingdom was a show business
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Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping
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MADRID, Oct. 22 (Xinhua) -- Sevilla goalkeeper Javi Varas was the hero of the night as his side produced a stunning defensive display to earn a 0-0 draw against FC Barcelona in the Camp Nou stadium. Varas made a string of spectacular saves, including
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