By Jerilyn Watson Broadcast: October 6, 2003 (THEME) VOICE ONE: An office in the United States government has helped protect 1)the property rights of inventors for more than two-hundred years. Its job

发表于:2018-12-07 / 阅读(43) / 评论(0) 分类 VOA2003(下)-美国人文故事

National Siblings Day (NSD) is celebrated on April 10 each year in the USA. It is the brainchild of Claudia A. Evart, who created it after the deaths of her brother and sister. She wanted a day for all Americans to think about the importance of the r

发表于:2018-12-29 / 阅读(44) / 评论(0) 分类 世界节假日博览

The United States has issued its 10 millionth patent. President George Washington signed the first almost 228 years ago. A patent is an official document that gives an individual or company the right to be the only one that makes or sells a product.

发表于:2019-01-03 / 阅读(56) / 评论(0) 分类 2018年VOA慢速英语(六)月

At the same time he had fallen in love with a fellow student, a Hungarian named Mileva Maric. In 1901 they had a child out of wedlock, a daughter, who was discreetly put up for adoption. Einstein never saw his child. Two years later, he and Maric wer

发表于:2019-01-29 / 阅读(46) / 评论(0) 分类 万物简史

BEIJING, June 1 (Xinhua) -- Chinese smartphone maker Xiaomi has secured 2,500 patents from Microsoft through a patent transfer and cross-licensing deal, a Xiaomi senior executive said in Beijing on Wednesday. As part of the deal with Microsoft, the B

发表于:2019-02-08 / 阅读(34) / 评论(0) 分类 英语新闻

Intellectual property知识产权 Many patents, still pending 悬而未决的专利 Congress tweaks, but does not overhaul, Americas patent system 国会将对美国专利制度进行小幅修改 Sep 10th 2011 | NEW YORK | from the print edition AFTE

发表于:2019-02-17 / 阅读(49) / 评论(0) 分类 经济学人综合