单词:microfilm device
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Broadcast: Jan 15, 2003 By Jerilyn Watson This is the VOA Special English Health Report. Many millions of people around the world suffer from problems of the small intestine. Bleeding from abnormal gr
Scientists know all about the therapeutics qualities of blue and red light. But until know, sufferers of acne have to go to hospital to benefit from it. But Lumie, the manufactures of this new LED device hope it would see light therapy moving to the
Device Keeps Internet On When Power Goes Off Erik Hersman and his team in Nairobi have created what they say is the first router made especially for Africa. It's battery powered and rugged. And it's gaining attention in Europe and the United States.
印度政府日前推出了一款世界上最便宜的笔记本电脑,售价仅为35美元。据印度人力资源开发部长介绍,这款低成本的触摸屏电脑的主要针对用户为学生,计算机的主板、芯片、处理器、内存和
Artist James E. Taylor produced this sketch of the Freedmen's Bureau office in Richmond, Virginia, issuing food rations to old and sick former slaves in 1866 Some Americans can trace their heritage back to what we sometimes call the old country from
随着微视频的崛起,微电影的火苗正在熊熊燃烧。在极短的时间里、使用极少的经费,却讲述了一个精彩而发人深思的故事,这正是微电影独特的风格和它日趋流行的关键。 A look at microfilms