单词:essentially non-oscillatory
单词:essentially non-oscillatory 相关文章
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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
苹果公司因在售后服务上对中国消费者区别对待而被中国官方媒体大肆批评,CEO最近在官网公开道歉并称其为误会。 具体情况一起来听BBC新闻报道。 It's not often corporate giants admit they may be arr
Kenyan President Mwai Kibaki announced Monday that oil has been discovered in northwestern Kenya, but he cautioned that it will take years before the country begins production. Kibaki called the discovery of oil in the Turkana region a major breakthr
WILLIAM BRANGHAM: We return now to Turkey and this weekend's deadly attack in Istanbul. What's behind that terror incident and the string of terror attacks in Turkey that have taken place over there over the past year? We drill down on this with Bule