单词：infrared temperature profile radiometer (itpr)
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Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi
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Semiconductors, or microchips, have been changing the way the world works for the past half-century. The technology has made radios, televisions and mobile devices commonplace. In advancing the technology, researchers are now focusing on superconduct
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Following a High-Profile Court Case Danny: Have you been following the Schirru case? Carol: Yeah, I have. I think hes guilty. Danny: Youre kidding, right? Hes innocent and this is a show trial. The district attorney is conducting a witch-hunt for his
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Deborah Tate U.S. Senator John Kerry of Massachusetts is one of eight Democrats hoping to deny President Bush a second term in the White House next November. Correspondent Deborah Tate has a profile o
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Dan Robinson Of the eight people seeking the 2004 Democratic nomination for president, four currently serve in Congress - two in the Senate, and two in the House of Representatives. One of them is Den
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Kerry Sheridan The Reverend Al Sharpton became the only African-American presidential candidate seeking the Democratic presidential nomination in 2004 when Carol Mosely-Braun withdrew from the race Ja
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Accountability: The Discipline System in Practice 2 Phase 2: Ask students to reflect on their behavior The point of this phase is to guide a misbehaving student to self-evaluate. When a student misbeh
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One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond
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The toucan's long bill has long perplexed biologists. Darwin theorized that it attracted mates. Other suggested uses ranged from fruit peeling to territorial defense. But a report in the July 24th issue of the journal Science offers another explanati
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Aqua Technology 水资源监测科技 A new weather-monitoring satellite has been 30 years in the making, and some researchers think it's worth the wait. We'll speak with a scientist about the Aqua satellite -- on today's Earth and Sky. DB: This is Earth a
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By Jim Bertel Washington 20 May 2008 Democratic Senator Edward Ted Kennedy was hospitalizedon 17 May 2008in the northeastern state of Massachusetts after suffering a seizure. Hisphysicians say the 76-year-old senator has a malignant brain tumor. VOA'
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In the final days of the presidential campaign, Americans have been flooded with messages from John McCain and Barack Obama. One person who has maintained a conspicuously low profile is the man both candidates hope to replace: President Bush. Far fr
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