标签：Systems 相关文章
How People In Greenland Learn How To Count Kids learn to count on their fingers, because theyre so, well, handy! And it makes sensemost number systems originally developed as people counted using their fingers. The counting system of native Greenland
英语听力文摘 English Digest
Jin: Did you hear what happened to McQ Corp? Dina: No, what? Jin: Hackers were able to get unauthorized access to its computer systems and cause a lot of problems over the weekend. They destroyed data and rendered the system unusable. In fact, the en
地道美语播客
Seven skills for talents on twenty-first century Technical and technological skills will take on greater importance. They will be a growing need for people who can understand and fix systems, from computer systems to product distribution systems, to
白领美丽英文诵典365
By Jeffrey Young Washington 08 May 2007 To most Americans, the governments in their towns and regional areas called counties are the governments they interact with the most. And alongside these local governments are groups of citizens who work on the
2007年VOA标准英语（五月）
By Carol Pearson Washington, D.C. 10 January 2007 watch Health Reform report The United States is widely acknowledged to have one of the best medical care systems in the world. But many Americans cannot afford it. The U.S. Census Bureau says that so
2007年VOA标准英语（一月）
AS IT IS 2013-05-24 New Study Predicts Huge Species Loss from Climate Change From VOA Learning English, this is At It Is. Welcome! Im Caty Weaver. This week, American scientists said carbon dioxide in Earths atmosphere had risen to its highest level
2013年VOA慢速英语(六)月
By Uma Ramiah Dakar 21 May 2008 A year-old project in Benin has shown that harnessing the power of sunlight could provide long-term solutions to hunger in underdeveloped nations. A six-month dry season in the Kalale District of Benin used to wreak ha
VOA标准英语2008年（五月）
Report: 30 Countries Highly Vulnerable to Ebola-like Epidemics 报告显示30个国家极易流行博尔纳病毒 A new report warns that nearly 30 countries are highly vulnerable to an Ebola-like epidemic. Save the Children says those countries have
VOA标准英语2015年(三月)
And every faint smudge of light you are looking at is a galaxy. For Richard Ellis, it's a galactic treasure trove. So much like an archaeologist/, we piece together history by digging into deeper and deeper layers. So a cosmologist like myself, uses
自然百科2011年
By Kane Farabaugh New York City 11 May 2007 watch Container Security report Security at container ports in the United States has been a major concern since the terrorist attacks in 2001. Bipartisan support in the U.S. Congress increased funding for
2007年VOA标准英语（五月）
By Deborah Block Washington 16 May 2007 One month ago (April 16) a gunman killed 32 students and faculty members at Virginia Tech University before taking his own life. A group of educators told lawmakers at the U.S. House of Representatives that sch
2007年VOA标准英语（五月）
A Scientist in the Locker Room How do you improve at any sport? You train, train, train. But how you train is just as important as how much. Armed with the science of exercise physiology, todays olympic-class coaches design sophisticated programs for
英语听力文摘 English Digest