单词：locomotive tractive effort curve
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Scientists Working to Save Chesapeake Bay Oyster Population Chespeake Bay The Chesapeake Bay, on the Atlantic coast, is the largest estuary in the United States. It is famous for its seafood, especially crabs and oysters. However, in the last centur
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It will be a great tragedy for humanity if research with chimpanzees were stopped. Chimpanzees are our closest animal relative. So close, in fact, that 98 percent of a chimpanzee's DNA is identical to that of humans. The highly intelligent primates s
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By Anjana Pasricha New Delhi 07 September 2006 India has observed the centenary of its national song despite the divisions the celebrations have caused between Hindu nationalists and Muslims, many of whom refuse to sing the song. ------- Bollywood a
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