un. 科学仪器制造者协会
[网络] 科学仪器制造业协会;科学仪器厂商学会;美国自动车工程师协会

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? It took until about 1800 or 1825 to put the first billion people on the planet. We added the most recent billion in 12 or 13 years. We anticipate two billion more by 205

发表于:2018-12-24 / 阅读(35) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? The results are in, and, Americans pretty much like science. Eighty-four percent of those polled think that sciences effect on society is mostly positive. Thats the resu

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(七)月

Technology Report - A Mobile App in Delhi Aims to Protect Women 科技报道 - 一款保护女性安全的手机应用程序 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 More than twenty thousand

发表于:2019-01-12 / 阅读(79) / 评论(0) 分类 2012年VOA慢速英语(一)月

Indian Mobile Phone App Aims to Thwart Sexual Assaults Cheena Sikka is typical of the modern, professional Indian woman. She works hard. She works late. When her shift is finished, a company cab takes her part of the way home. But she worries about t

发表于:2019-01-13 / 阅读(43) / 评论(0) 分类 VOA标准英语2012年(一月)

ARI SHAPIRO, HOST: One year ago, a well-known intensive care physician announced that he just might have come across a cure for sepsis. This deadly reaction to infection kills around a quarter of a million people in the U.S. each year. It's the leadi

发表于:2019-01-16 / 阅读(32) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Hundreds of professional theatre makers from around the world recently gathered in Beijing to explore ways to develop dramas that suits the needs of young audience. CRI's Shen Ting has more. The International Association of Theatre for Children and Y

发表于:2019-01-19 / 阅读(52) / 评论(0) 分类 2018CRI中国国际广播电台
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