单词：dianthoviruses
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High-Tech Images Show How Viruses Infect Cells At the University of Texas Medical School at Houston, Jun Liu uses a powerful electron microscope to examine E. coli bacteria and the tiny T-7 virus that infects them. Liu says until now, scientists coul
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[0:01.913]Lesson U [0:04.453]Let's Do Sums [0:06.514]Let's talk. [0:08.574]Hi, kids.Let's [0:11.031]do sums. OK? [0:13.704]OK. [0:15.346]What's 14 plus 12? [0:20.457]It's 25. [0:22.722]Yes or no? [0:25.047] No. [0:28.230]It's 26. [0:29.037]Yes. [0:30
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By George Grow November 7, 2004 (THEME) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with People in America in VOA Special English. Today we tell about Dian Fossey. She studied the wild mountain gorillas of central Africa. Her work re
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PEOPLE IN AMERICA - Dian Fossey By George Grow Broadcast: Sunday, November 07, 2004 November 7, 2004 (THEME) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with People in America in VOA
People in America
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Astronomers say they have some intriguing new clues about one of the biggest mysteries of the universe. More than 20 years ago, scientists discovered that most of the matter in the universe is not made up of ordinary atoms, it is something invisible
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FAITH LAPIDUS: And Im Faith Lapidus with PEOPLE IN AMERICA in VOA Special English. Today we tell about Dian Fossey. She studied the wild mountain gorillas of central Africa. Her work resulted in efforts to save these rare and endangered animals. (MUS
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AS IT IS 2015-08-06 Olympic Committee to Test Rio's Water for Viruses Rio de Janeiro, Brazil is busy preparing for the 2016 Olympics. On Sunday, the International Olympic Committee said it will begin testing the waters where swimmers and other athlet
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By Shilpi Jha Washington, DC 27 September 2006 watch Indian Comics report Millions of comic books are sold in the United States each year. Some are bought by children, but many are sought by young adults who grew up reading about their favorite supe
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STEVE INSKEEP, HOST: The Pentagon is funding some new research on insects and plant viruses. It says the goal is to protect agricultural crops. Some critics say it looks more like an attempt to make biological weapons. Here's NPR's Dan Charles. DAN C
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By Pat Harris Washington, DC 09 May 2006 watch Virus report Marburg Ebola Virus The Marburg and Ebola viruses have caused fatal outbreaks in Africa for the past four years. A recent study shows a vacc
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By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method
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By Kurt Achin Seoul 14 July 2006 A disagreement over pharmaceutical products has derailed attempts to negotiate a free-trade agreement between South Korea and the United States. While negotiators still hope to reach a deal, serious disputes remain t
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