光纤材料分散

They Did It With Mirrors!

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(181) / 评论(0)

疯狂英语2003年

SSS 2011-12-20

material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

发表于:2018-12-02 / 阅读(112) / 评论(0)

Scientific American(十二)月

电信专业英汉词典d2

Digital Access Protocol(DAP) 数字访问协议 Digital Volt Meter(DVM) 数字电压表 Digital TeleVision(DTV) 数字电视 digital circuit 数字电路 digital 数字的 data safety

发表于:2019-01-03 / 阅读(69) / 评论(0)

电信英语

电信专业英英词典D-6

Direct Inward Dialing (DID) DID is PBX-to-central office trunks that allow incoming calls to a PBX to ring specific stations without attendant assistance. DID greatly reduces the number of required co

发表于:2019-01-03 / 阅读(85) / 评论(0)

电信英语

VOA标准英语2011--Automakers Turn Agro-Waste into Car Part

Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl

发表于:2019-01-09 / 阅读(93) / 评论(0)

VOA标准英语2011年(四月)

VOA慢速英语2013 Scientific and Engineering Skills Lead to Inventions that Save Lives

Scientific and Engineering Skills Lead to Inventions that Save Lives This is Science in the News, in VOA Special English. Im June Simms. Today Shirley Griffith and Bob Doughty tell about two recent inventions that have helped to save lives. We will a

发表于:2019-01-12 / 阅读(83) / 评论(0)

2013年VOA慢速英语(六)月

Two Inventions That Helped Level the Playing Field Against

BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed

发表于:2019-01-12 / 阅读(402) / 评论(0)

2011年VOA慢速英语(三)月

VOA慢速英语2012 SCIENCE IN THE NEWS - Safety Science: The Stories Behind Seat Belts and Bulletproof Clothing

SCIENCE IN THE NEWS - Safety Science: The Stories Behind Seat Belts and Bulletproof Clothing SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im Shirley Griffith. BOB DOUGHTY: And Im Bob Doughty. Today we tell about two recent i

发表于:2019-01-12 / 阅读(78) / 评论(0)

2012年VOA慢速英语(三)月

VOA慢速英语2013 科学和工程的发明拯救生命

Scientific and Engineering Inventions Save Lives 科学和工程的发明拯救生命 This is Science in the News, in VOA Special English. Im June Simms. Today Shirley Griffith and Bob Doughty tell about two recent inventions that have helped to save

发表于:2019-01-12 / 阅读(61) / 评论(0)

2013年VOA慢速英语(十)月

VOA标准英语2012--Student Art Showcased Before Move Into Job Market

Student Art Showcased Before Move Into Job Market In the days before graduation, Jessica Marx and Alexz Giacobbe are put the finishing touches on a project theyve been working on for months. Jessica, a photography major, made the hats for their fashi

发表于:2019-01-13 / 阅读(55) / 评论(0)

VOA标准英语2012年(五月)

VOA常速英语2014--伦敦科技展显示3D打印技术进步

London Exhibit Shows Advances in 3-D Printing 伦敦科技展显示3D打印技术进步 WASHINGTON A technology known as 3-D printing, or additive manufacturing, has long been used for producing prototype models of three-dimensional objects. A new ex

发表于:2019-01-14 / 阅读(64) / 评论(0)

VOA标准英语2014年(九月)

VOA双语新闻：8、伦敦科技展显示3D打印技术进步

伦敦科技展显示3D打印技术进步 WASHINGTON A technology known as 3-D printing, or additive manufacturing, has long been used for producing prototype models of three-dimensional objects. A new exhibit that opened in London Thursday shows how

发表于:2019-01-19 / 阅读(180) / 评论(0)

VOA双语新闻 2014年9月

2015年CRI China Successfully Tests Self-Developed Near Space Craft

On a cold October day this year in China's Inner Mongolia Autonomous Region, about 100 scientists were busy preparing to test their independently developed high-altitude airship. After a 22 hour flight around 20 kilometers above the earth, the airshi

发表于:2019-01-19 / 阅读(91) / 评论(0)

2015CRI中国国际广播电台

英语听力：2013-07-10 《恐龙的战争》3 顽强防御—11

The number-one concern in life would befeeding the beast. The land is covered in vast forests offerns, pines, and monkey puzzle trees. Many of these plants have almost nonutritional valuel. The hardest job in the animal world, thedinosaur world, was

发表于:2019-01-23 / 阅读(61) / 评论(0)

探索与发现2013年

【英语语言学习】两个伟大发明—安全带和防弹背心

This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. And I'm Bob Doughty. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed them. Seatbelts Most cars have s

发表于:2019-01-24 / 阅读(131) / 评论(0)

英语语言学习

VOA慢速英语2010年- SCIENCE IN THE NEWS - Science of Safe

SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. BOB DOUGHTY: And I'm Bob Doughty. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed t

发表于:2019-01-26 / 阅读(77) / 评论(0)

2010年慢速英语(二)月

Spiders and Silk

48 科学家发现：蜘蛛丝强度要胜过绳子 DATE=5-16-01 TITLE=SCIENCE REPORT - Spiders and Silk BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(92) / 评论(0)

科技之光

复合材料及汽车词汇（一）

复合材料及汽车词汇 Acetyl 乙酰 Acid-proof paint 耐酸涂料, 耐酸油漆 Acrylic fiber 丙烯酸纤维 Acrylic resin 丙烯酸树脂 Active filler 活性填料 Adapter assembly 接头组件 Addition polyimide 加成型聚酰亚胺 Addition polymer 加聚物 Adjusting valve 调整阀，

发表于:2019-02-04 / 阅读(96) / 评论(0)

英文语法词汇

可以调焦的眼镜?

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜，但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(97) / 评论(0)

实用英语

【跟着美剧练发音】美剧美语834期

PENGUIN:What continent （大陆）is this ? ZEBRA:Manhattan（曼哈顿）. PENGUIN:Hoover Dam（胡佛水坝/惨）!Were still in New York.Abort（终止计划）.Dive（跳水，此处指下潜）!Dive!Dive. ZEBRA:Hey.You in the tux（燕尾服）

发表于:2019-02-16 / 阅读(80) / 评论(0)

跟着美剧练发音

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