标签：laser 相关文章

用激光技术为迷航的飞行员示警

Laser Technology to be Used to Warn Straying Pilots 用激光技术为迷航的飞行员示警 In September 2004, a Delta pilot claimed a laser beam injured him as he was about to land his jet in Salt

发表于:2018-12-08 / 阅读(76) / 评论(0) 分类 VOA2005（上）--环境科学探索

TED演讲 第1期:3D捕捉古代奇迹(1)

I'd like to start with a short story. 我想先讲个故事。 It's about a little boy 有个小男孩 whose father was a history buff 他父亲是个历史爱好者， and who used to take him by the hand 常牵着他的手 to visit the ruins of an

发表于:2018-12-18 / 阅读(49) / 评论(0) 分类 TED演讲科技篇

《名人传记》之乔布斯遗失的访谈51:第一台激光打印机

So how and why did Apple get into desktop publishing, which will become Mac's killer-app? 苹果为什么研发桌面排版？它是Mac最受欢迎的应用。 I don't know if you know this, but we got the first Canon laser printer engine shipped to

发表于:2018-12-27 / 阅读(79) / 评论(0) 分类 名人传记

英伦广角 激光可帮助啮齿类动物受损的牙齿再次生长

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(95) / 评论(0) 分类 英伦广角

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(103) / 评论(0) 分类 2018年VOA慢速英语(十)月

电信类英语词汇表大全-40

中文 英文 缩写 放大 zoom in 放大的随机发射 Amplified Spontaneous Emission ASE 放大自辐射噪声 Amplified Spontaneous Emission Noise ASEN 放电 discharge 放号 number distribution

发表于:2019-01-03 / 阅读(69) / 评论(0) 分类 电信英语

VOA慢速英语2013 Laser Technology Uncovers Secrets at Stonehenge

Laser Technology Uncovers Secrets at Stonehenge From VOA Learning English, this is EXPLORATIONS in Special English. I'm Christopher Cruise. And I'm Kelly Jean Kelly. Today, we report on new knowledge about Stonehenge, the famous, ancient stone circle

发表于:2019-01-12 / 阅读(89) / 评论(0) 分类 2013年VOA慢速英语(五)月

VOA慢速英语2013 EXPLORATIONS - Laser Technology Uncovers Secrets at Stonehenge

EXPLORATIONS - Laser Technology Uncovers Secrets at Stonehenge From VOA Learning English, this is EXPLORATIONS in Special English. I'm Christopher Cruise. And I'm Kelly Jean Kelly. Today, we report on new knowledge about Stonehenge, the famous, ancie

发表于:2019-01-12 / 阅读(80) / 评论(0) 分类 2013年VOA慢速英语(三)月

VOA慢速英语2010年-EXPLORATIONS - After 50 Years, Lasers

STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the

发表于:2019-01-12 / 阅读(75) / 评论(0) 分类 2010年VOA慢速英语(九)月

有史以来第一次:科学家使用激光冷却液体

Lasers Used to Chill, Instead of Heat 有史以来第一次:科学家使用激光冷却液体 University of Washington researchers say they used a laser to turn hot water into cool water. Five engineers from the university are the first in the 50-yea

发表于:2019-01-12 / 阅读(54) / 评论(0) 分类 2015年VOA慢速英语(十二)月

职场英文口语 第46期:演讲的开场白(1)

Hello, welcome to the offices of Citrus Ventures! 你们好，欢迎来到Citrus Ventures的办公室！ It's a big day for Anna, she's about to present Tip Top Trading's new Imperial Lemon to Mr Lime and his colleagues. 今天是安娜的大日子，她

发表于:2019-01-14 / 阅读(56) / 评论(0) 分类 职场英文口语

职场英文口语 第73期:设定会议日程(3)

For these new fruits, stock control will be key to supplying our customers with laser-curve oranges, laser-curve lemons, laser-curve pomegramates 对于这些新水果，库存管控是为客户供给这些激光曲线橙子、柠檬、石榴等的关键

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 职场英文口语

美国国家公共电台 NPR How A Cheap Magnet Might Help Detect Malaria

AUDIE CORNISH, HOST: Each year, malaria kills about half a million people around the world. Health officials say a fast, cheap, accurate way to test for malarial infection would be extremely helpful in combating the disease. As NPR science correspond

发表于:2019-01-16 / 阅读(99) / 评论(0) 分类 2018年NPR美国国家公共电台5月

早安英文 第225期:近视了 这些相关英文表达可要学会哦

英语学习笔记： optometrist n. 配镜师 nearsighted adj. 近视的 myopia n. 近视；缺乏远见 hyperopia n. [医]远视 farsighted adj. 有先见之明的；远视的 astigmatism n. 散光 contact n. 接触；联系；熟人 laser n. 激光；

发表于:2019-01-18 / 阅读(88) / 评论(0) 分类 早安英文

【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(115) / 评论(0) 分类 英语语言学习

美国科学家发现新物质“比钻石还硬”

There is a new substance that is harder than diamond. It's called Q-carbon, and it was created by researchers at North Carolina State University. 北卡罗莱纳州立大学的研究人员研发出一种名为Q-碳的新物质，其硬度比钻石还高

发表于:2019-02-18 / 阅读(60) / 评论(0) 分类 阅读空间

英文原版对话1000个:701 Emergency

Todd: Now, Barbara, it's really good to see you. I heard that you were in the hospital. Barbara: Yes, I was. I got sick in august last year and luckily I was with my students and the lady was a nurse. She and her husband drove me to the hospital. I w

发表于:2019-02-18 / 阅读(69) / 评论(0) 分类 原版英语对话1000个

美研究人员研发出新物质,硬度比钻石还高

There is a new substance that is harder than diamond. It's called Q-carbon, and it was created by researchers at North Carolina State University. 北卡罗莱纳州立大学的研究人员研发出一种名为Q-碳的新物质，其硬度比钻石还高

发表于:2019-02-19 / 阅读(119) / 评论(0) 分类 英语新闻

留美老师带你每日说英文 第369期:激光手术

台湾籍旅美老师今天交给我们的句子是： Clearly, I am not an optometrist, and I don't really know how to do laser surgery. But if you would like to send me a check for 2000 dollars, I'll do your laser surgery. 很明显地，我不是验

发表于:2019-02-22 / 阅读(88) / 评论(0) 分类 留美老师带你每日说英文

【英语趣味课堂】急诊-Emergency

Todd: Now, Barbara, it's really good to see you. I heard that you were in the hospital. Barbara: Yes, I was. I got sick in august last year and luckily I was with my students and the lady was a nurse. She and her husband drove me to the hospital. I w

发表于:2019-03-06 / 阅读(109) / 评论(0) 分类 英语趣味课堂
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