单词：essentially self-adjoint transformation
单词：essentially self-adjoint transformation 相关文章
The new music was built out of materials already in existence: blues, rock'n'roll, folk music. But although the forms remained, something completely new and original was made out of these older elements - more original, perhaps, than even the new mus
双语有声阅读
AS IT IS 2013-07-22 Apps for Apes: Orangutans Love the iPad Hello, and welcome to As It Is, our daily magazine show for people learning American English. Im Christopher Cruise in Washington. Today on the program, we visit with some apes who really li
2013年VOA慢速英语(八)月
Yemen Unrest Deepens, Downward Spiral Spreads Yemeni government troops in Sana'a are again fighting members of the Hashid tribe, just one of several forces, including militants and anti-government protesters, seeking to oust President Ali Abdullah Sa
VOA标准英语2011年(六月)
Alzheimer's disease or AD is an illness that seriously affects senior citizens. It causes memory loss, and patients may even gradually lose some of their basic physical abilities. But now researchers in the U.S. are using technology to reduce memory
英闻天下
The New Music The new music was built out of materials already in existence: blues, rock'n'roll, folk music. But although the forms remained, something completely new and original was made out of thes
有声英文阅读
As Russia continues to raise its natural gas prices to Ukraine, some people are looking to American gas as a way to ease Europe's energy dependence on Russia. But it's a solution that's still several years off. In their home near Kyiv, Svetlana Kules
英语新闻
Its like the publishing version of one of those scenes from a sci-fi movie where an alien invasion impels traditional adversaries to join together to face their larger, common threat. Today 56 newspapers, in Pakistan and India, in Israel and Lebanon,
Scientific American(十二)月
By Jessica Berman Washington 28 May 2008 Monkeys have successfully operated robotic arms to feed themselves with human-like precision, activating a mechanical device with signals from their brain. Researchers say the technique could eventually be use
VOA标准英语2008年（五月）
Strengthening cooperation between China's provinces and U.S. states is part of the consensus reached by the two countries during Chinese President Xi Jinping's visit to the U.S. in September. It is also one of the major issues for the China-US Joint
2015CRI中国国际广播电台
Ban Ki-moon says he's very pleased to have both China and the United States officially become signatories to the Paris Climate Change Agreement. The leaders of China and the United States officially joined the Paris Agreement on Climate Change by dep
2016CRI中国国际广播电台
A senior Chinese official has called for promoting high-quality development by pushing forward supply-side structural reform and accelerating the building of a modernized economy. CRI's Yu Yang has the story. Vice Premier Han Zheng made the remarks i
2018CRI中国国际广播电台
Scripts: Writing was on the wall for Chuck Prince wasn't it? Writing was on the wall for Chuck prince not just related to the sub-prime crisis and the additional four maybe eight billion of asset write-downs we will see in the fourth quarter or quar
商业报道2007年
Newspapers Worldwide Call for Climate Change Action On the first day of the Copenhagen climate conference, 56 newspapers publishing in 20 languages in 45 countries publish an unprecedented joint editorial calling for meaningful action to face the thr
60秒科学
> 140 南非国家首脑誓言为发展和进步努力 African Leaders Pledge Sustainable Growth and Development Delia Robertson Johannesburg 11 Jul 2001 19:13 UTC More than 40 African heads of state h
VOA2001-国际风云（2）
Doctors Carry Out Mass Surgeries in Burma to Reverse Blindness 医生在缅甸开展大规模外科手术希望患者重见光明 RANGOON, BURMA Burma has one of the highest rates of blindness in the world, afflicting an estimated 8.1 percent of the
VOA常速英语2013年(十月)
Stopping Childhood TB Deaths 预防儿童结核病死亡 Tuberculosis kills more than 74-thousand children every year. But health officials say those deaths are preventable. The World Health Organization and its partners have released a roadmap outli
VOA常速英语2013年(十月)
By Peter Fedynsky Washington, DC 17 April 2006 watch Resignation report Donald Rumsfeld (file photo) President Bush has rejected calls from a group of retired generals for the resignation of Defense S
2006年VOA标准英语（四月）
The New Music 新音乐 The new music was built out of materials already in existence: blues, rocknroll, folk music. But although the forms remained, something completely new and original was made out of these older elements - more original, perhaps,
实用英语
Alzheimer's disease or AD is an illness that seriously affects senior citizens. It causes memory loss, and patients may even gradually lose some of their basic physical abilities. But now researchers in the U.S. are using technology to reduce memory
英闻天下
JUDY WOODRUFF: We get more on today's announcement from Washington Post reporter Greg Jaffe. Greg, how did he get to this decision? GREG JAFFE, The Washington Post: You know, in the spring, they started a review to decide what they were going to do.
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