[计] 激光数据处理设备

VOA常速英语2008年-US Government Reviews Laser Eye Surgery

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(341) / 评论(0)

VOA常速英语2008年（四月）

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(343) / 评论(0)

2013年VOA慢速英语(二)月

英语分类词汇：眼镜

Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kid's eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Gl

发表于:2018-12-18 / 阅读(356) / 评论(0)

英文语法词汇

2015年ESL之商务英语 13 Reading and Processing Emails

Reading and Processing Emails Every day I feel more and more overwhelmed by email. Once I turn on my computer and look at my inbox, I get sucked into reading and responding to emails. I have a personal email account and an email account for work. Wit

发表于:2018-12-18 / 阅读(362) / 评论(0)

2015年ESL之商务英语

SSS 2011-05-23

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o

发表于:2018-12-24 / 阅读(371) / 评论(0)

Scientific American(五)月

新视野大学英语视听说 Unit 9-13

A, greet B and ask what he is doing. Hi, Dave. Whatre you doing? Seems youre doing editing work. B, respond to A. Well, I just downloaded an essay from the Net, and have got to make some changes for my literature class. A, make comments on Bs practic

发表于:2018-12-29 / 阅读(329) / 评论(0)

新视野大学英语：视听说教程 1

Watch the US Navy’s New Laser Weapon in Action

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(363) / 评论(0)

2017年VOA慢速英语(七)月

电信专业英英词典D-1

DAMA - Stands for Demand-Assigned Multiple Access. This is a way to instantaneously assign telephony channels in a transponder according to the immediate traffic demands. Dash - This is the the charac

发表于:2019-01-03 / 阅读(344) / 评论(0)

电信英语

电信专业英英词典D-4

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

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电信英语

电信英语及其缩略语解释-13

DCC Data Country Code 数据国家号码(3位) DCC Digital Cross Connect 数字交叉连接 DCCE Digital Cell Center Exchange 数字小区中心交换机 DCCH Dedicated Control CHannel 专用控制信道

发表于:2019-01-03 / 阅读(388) / 评论(0)

电信英语

电信英语及其缩略语解释-18

DOD Direct Outward Dialing 直拨外线 DOS Disk 0perating System 磁盘操作系统 DOV Data Over Voice 话上数据 DP Data Processing 数据处理 DP Detection Point 检测点，探测点 DP Dial／

发表于:2019-01-03 / 阅读(377) / 评论(0)

电信英语

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(452) / 评论(0)

2013年VOA慢速英语(五)月

VOA慢速英语2012--The Laser: Futuristic Science Found at Your Local Store

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: 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

发表于:2019-01-12 / 阅读(392) / 评论(0)

2012年VOA慢速英语(一)月

科学美国人60秒 SSS 2014-05-07

This Scientific American 60-Second Science, I'm Cynthia Graber. Got a minute? To a farmer, good insects pollinate, and bad insects decimate. But they often had a tough time knowing which flying creatures were invading their crops. Now eavesdropping r

发表于:2019-01-20 / 阅读(248) / 评论(0)

2014年Scientific American(五)月

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

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VOA常速英语2007年（十一月）

眼镜专业术语单词

眼镜专业术语单词 Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kids eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Glass optical lense

发表于:2019-02-06 / 阅读(273) / 评论(0)

英文语法词汇

与眼有关的专业术语

发表于:2019-02-13 / 阅读(338) / 评论(0)

实用英语

Australian gov't lifts freeze on refugee processing

CANBERRA, Sept. 30 (Xinhua) -- Australian federal government（联邦政府） on Thursday announced it will immediately lift a freeze on the processing of claims from Afghanistan（阿富汗） asylum seekers. The six-month freeze on processing, whi

发表于:2019-02-18 / 阅读(413) / 评论(0)

英语新闻

雅思分类词汇：环境资源相关(二十三)

环境信息ENVIRONMENTALINFORMATION 信息基础设施Informationinfrastructure 图书馆Library 信息中心Informationcentre 数据中心Datacentre 培训中心Trainingcentre 因特网服务提供商

发表于:2019-02-25 / 阅读(360) / 评论(0)

英文语法词汇

【英语时差8,16】前额皮质（上）

The prefrontal cortex is the region of the brain located just behind the forehead. This is where higher-level cognition occurs, such as recalling whether a word was heard aloud or read. Most people show evidence of more processing on one side of the

发表于:2019-03-06 / 阅读(325) / 评论(0)

英语时差8，16

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5'-Denoxyadosylcobalamine

according to the international practice

bis(p-chlorophenoxy)methane

centring current