单词：randomly time-varying linear system
单词：randomly time-varying linear system 相关文章
Technology Report - Caines Arcade Video Brings Creative Boy Fame 科技报道 - 凯恩的游乐场小男孩网络爆红 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 An Internet video called Caine
2012年VOA慢速英语(四)月
Last Woollies Had Mammoth Mutations 长毛象灭绝的真正原因是 In their heyday, woolly mammoths blanketed the Siberian steppe, Alaska and large parts of North America. But by 10,000 years ago, warming climates had turned many of the grasslands
2017年Scientific American(六)月
LINDA WERTHEIMER, HOST: Does access to money predict social behavior? That's the question posed by researchers Emily Bianchi and Kathleen Vohs in a new study. They dug into data for nearly 30,000 respondents of the General Social Survey - that's a lo
英语语言学习
Where people live Some people live in one community all their lives, while others move around almost as much as nomads. Both experiences have their advantages as well as disadvantages. People who stay in one spot can develop lifelong friendships, and
英语六级听力练习集锦
There is a festival in this town that brings in thousands of visitors, and livens(1) the valley for over a week. It's called Apple Blossom. By the name, you can tell that it coincides with the blossoming of the many apple trees that grow here. The we
英语博客 A cup of English
Anything can happen in the FA Cup High-profile football teams like Manchester United, Chelsea and Arsenal are so well-known that they have become household names all around the world, but have you ever heard of Burton Albion or Leyton Orient? A week
Take Away English
An experiment tracking mice for 43 generations finds that progeny of those that initially were more active are spending three times as much time on the training wheel as the progeny of the initially more sedentary mice. Christopher Intagliata reports
60秒科学
Serena Williams Says Frequent Drug Testing Is 'Discrimination' This is What's Trending Today... American tennis player Serena Williams is not pleased about getting more drug tests than her competitors. Williams expressed her opinion Tuesday after rec
2018年VOA慢速英语(七)月
While on vacation in distant locales, people often find that time moves quite differently than in the places theyre used to. In the tropics, we settle into the grooves of island time and relax thanks to a more leisurely rhythm. A trip to a big city c
趣味英语
Callum:Hello. In recent programmes in this series, Who on Earth are we? Marc Beebys looked at some of the more obvious ways that cultures can be different from one another -the different ways we use language, or non-verbal communication, for example
英语讨论
Always finding excuses to skip the gym? Congratsyou might be able to blame your genes. Because the mere desire to exercise may be inherited, at least in mice. So says a study in the journal Proceedings of the Royal Society B. The experiment started b
Scientific American(九)月
Five Tips for Planning a Presentation 关于规划报告的五个小贴士 Editor's note: When teaching public speaking, Professor Charles Lebeau divides presentation into three aspects. The three aspects of a presentation are: the physical message,
2015年VOA慢速英语(三)月
February 14 is Valentine's Day in the United States, a special time set aside for lovers and spouses to say, I love you, often with flowers, chocolates and a romantic meal. And while love is universal, just what makes any one of us of feel cherished
VOA标准英语2011年(二月)
Room 212 Building 343 Tsinghua University, Beijing 100084 (010) 62771234 Email:good@tsinghua.edu.com xxx Objective To obtain a challenging position as a software engineer with an emphasis in software design and development. Education 1997.9-2000.6 De
实用英语
But dark matter does more than simply holds galaxy like ours together. Astronomers think it binds the Milky Way into an extraordinary structure along with billions of other galaxies. To explore it, we'll take a journey to the very edge of the univers
自然百科2011年
Scientists believe that the South Atlantic Anomaly, is a sign of a global decline in the magnetic field. Evidence of this comes from a surprising source. Dr. Mimi Hill uses pottery to uncover the secrets of earth's magnetic past. Ancient pots tell us
自然百科2011年
There are many reasons why college and university students often fail to get full nights of sleep. Many American students are away from their parents for the first time when they attend college. They might not be used to having total freedom in how t
2019年VOA慢速英语(一)月
The average person in the United States watches almost five hours of television a day, more than an hour greater than the average of people in the world's biggest economies, new research says. 一项新研究发现，美国人平均每天看电视的时
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kin n.家属(集合称), 亲戚, 同族, 血缘关系, 家族 adj.有亲属关系的, 性质类似的, 同类的 kit n.成套工具, 用具包, 工具箱, 成套用具 lapse n.失误, 下降, 流逝, 丧
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