发射限制

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

发表于:2018-12-24 / 阅读(91) / 评论(0) 分类 Scientific American(十一)月

The Philippines appears to be seeking a return to stronger economic relations with the United States. Experts say the change may be designed to balance the Philippines increasing dependence on China. The Philippine Department of Foreign Affairs said

发表于:2019-01-03 / 阅读(118) / 评论(0) 分类 2017年VOA慢速英语(十)月

Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗? Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上,但它的清洁能源形象却受到质疑 M

发表于:2019-01-26 / 阅读(92) / 评论(0) 分类 经济学人综合

Innovation. Its easy to talk about it its probably one of your departments key goals or built into your companys mission statement but its not so easy to do. Its even harder to make it a habit in your day-to-day workflow. As an innovation consultant

发表于:2019-02-02 / 阅读(51) / 评论(0) 分类 阅读空间

BEIJING, May 16 (Xinhuanet) -- NASA has readied the space shuttle Endeavour for its liftoff set for Monday, media reported Monday. Good weather looks 70 percent likely for Monday's scheduled launch of Endeavour, the next-to-last U.S. space shuttle mi

发表于:2019-02-18 / 阅读(51) / 评论(0) 分类 英语新闻

TEHRAN, Oct. 9 (Xinhua) -- Iran is going to launch domestically- built Navid satellite by Safir satellite launcher by the end of March 2012, the semi-official Mehr news agency reported on Sunday. Navid (promise) is a research satellite and is current

发表于:2019-02-18 / 阅读(49) / 评论(0) 分类 英语新闻
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Creatorus
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