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Ramparts Are Protective BarriersWhen you sing or listen to the Star Spangled Banner, do you understand the words? The national anthem of the United States of America was inspired by the Battle of Baltimore at Fort McHenry in 1814. The lyrics suggest
Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the
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
That Europe, and especially the eurozone, has not been doing well since the 2008 crisis is beyond dispute. 自2008年金融危机以来,欧洲特别是欧元区便一直没有健康过,这是无可争议的。 The single currency was supposed to
By Lisa Schlein Geneva 16 July 2007 Zimbabwean children wait for food at Masarira primary school, for some it is the only meal they will have in the day, said headteacher Zvinavashe Takabvirakare (File Photo) The U.N. Children's Fund says the childre