单词：Eisenstein polynomial
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Brushfire fairytales Itsy bitsy diamond wells Big fat hurricanes Yellow-bellied given names Well, shortcuts can slow you down And in the end we're bound To rebound off of we Well, dust off your thinking caps Solar-powered plastic plants Pretty pictur
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GWEN IFILL: When it comes to global health, much attention is now focused on Ebola. But more routine diseases take a toll on the world's poorest people every day. In Seattle, there's a not-for-profit group trying to develop new tools and medicines to
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The auto fleet in the United States is shrinking. For the first time since World War II, more used cars were scrapped than new cars sold in 2009. The fleet decreased from an all-time high in 2008 of 250 million vehicles to 246 million last year. Driv
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