单词：security material
单词：security material 相关文章
By Deborah Tate Capitol Hill 12 July 2007 U.S. congressional investigators working undercover say they have obtained a license to buy enough radioactive material for a radiological bomb, without much scrutiny from federal regulators. The investigator
2007年VOA标准英语（七月）
KING: We welcome to Larry King Live. Good to have him back, former Governor of Pennsylvania, Tom Ridge. He was the first United States Secretary of Homeland Security from 2001 to 2003. He's President and CEO of Ridge Global and author of the book The
CNN2010年(一)月
Hi, everybody. This week, I'm speaking to you from our Nuclear Security Summit. I welcomed more than 50 leaders from around the world to make sure we're working together to meet one of the greatest threats to global securityterrorists getting their h
奥巴马每周电视讲话
By Anna Ardayeva Moscow, Russia 17 August 2006 watch Nuclear Stockpile report It's been almost 15 years since the United States launched its program to help secure the world's largest nuclear stockpile -- in Russia. But analysts warn that the effort
2006年VOA标准英语（八月）
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
VOA标准英语2014年(七月)
The focus of the Global Security Summit - to answer how to secure nuclear stockpiles against terrorists A unique two-day summit expected to bring together more than 40 heads of state and government will open in Washington April 12. As VOA reports, th
VOA标准英语2010年(四)月