红宝石激光显微辐射仪

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(54) / 评论(0)

2013年VOA慢速英语(二)月

TED演讲：用舞蹈战胜癌症(4)

But I needed something else. I needed something to go that extra mile, and I found it in that metaphor which I had learned from my mother when I was four. 但是我需要另外一些东西，我需要增加我的旅程，我在意象中找到了它，那

发表于:2018-12-19 / 阅读(58) / 评论(0)

TED演讲教育篇

VOA慢速英语2018 美国、法国、加拿大科学家获诺贝尔物理学奖

American, French, Canadian Scientists Win Nobel Physics Prize Two men and a woman have won the 2018 Nobel Prize in Physics for their inventions in the field of laser physics. 两位男士和一位女士因为他们在激光物理领域的发明获得了

发表于:2019-01-03 / 阅读(41) / 评论(0)

2018年VOA慢速英语(十)月

SSS 2009-08-05

This is Scientific American's 60 Seconds Science. I'm Steve Mirsky. Got a minute? In 1900 legendary physicist Max Planck described the way energy gets dissipated from any nonreflective object, called a blackbody. But even Max said if something else i

发表于:2019-01-08 / 阅读(44) / 评论(0)

Scientific American(八)月

VOA标准英语2013--The History of the Laser

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(53) / 评论(0)

2013年VOA慢速英语(五)月

【英语语言学习】镭射器的历史

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

发表于:2019-01-24 / 阅读(66) / 评论(0)

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