光纤数位控制系统

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(316) / 评论(0)

疯狂英语2003年

新视野大学英语读写教程第四册 unit4-a

The Telecommunications Revolution (The Telecommunications Revolution) A transformation is occurring that should greatly boost living standards in the developing world. Places that until recently were deaf and dumb are rapidly acquiring up-to-date tel

发表于:2018-12-04 / 阅读(173) / 评论(0)

新视野大学英语读写教程(4)

新视野大学英语读写教程第二册 unit7-a

Unit 7 Section A Pre-reading Activities First Listening Please listen to a short passage carefully and prepare to answer some questions. Second Listening Listen to the tape again. Then answer the foll

发表于:2018-12-04 / 阅读(223) / 评论(0)

高级英语下

走进剑桥大学第8期:牛顿的苹果树

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家，也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(181) / 评论(0)

走进剑桥大学

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(159) / 评论(0)

电信英语

电信专业英英词典H-1

Half Duplex Half duplex is a transmission path capable of transmitting signals in both directions, but only in one direction at a time. HDLC high-level data link control Header The header is control i

发表于:2019-01-03 / 阅读(235) / 评论(0)

电信英语

电信英语及其缩略语解释-20

DSB Direct Satellite Broadcast 直接卫星广播 DSB Double SideBand 双边带 DSBRC Double SideBand Reduced Carrier 双边带减幅载波 DSBSC Double SideBand Suppressed Carrier 双边带抑制载波

发表于:2019-01-03 / 阅读(195) / 评论(0)

电信英语

电信英语及其缩略语解释-8

CCCH Common Control CHannel 公用控制信道电信英语及其缩略语解释（8） CCD Charge Coupled Device 电荷耦合器件 CCF Conditional Call Forwarding 有条件呼叫前转 CCH Connectio

发表于:2019-01-03 / 阅读(170) / 评论(0)

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(190) / 评论(0)

电信英语

VOA慢速英语2014 联合国对电子间谍发出警告

AS IT IS 2014-07-21 UN Warns on Digital Spying 联合国对电子间谍发出警告 A new United Nations report warns that widespread electronic spying threatens peoples right to privacy. The report says this spying happens often instead of rarely. N

发表于:2019-01-12 / 阅读(144) / 评论(0)

2014年VOA慢速英语(七)月

VOA标准英语2011--Internet Freedom, Social Change: What’

Online communication tools played a huge role in recent government changes in Tunisia and Egypt. But they also showed how easily governments can interrupt Internet traffic and cell phone transmissions. VOA's David Byrd has this look at the future of

发表于:2019-01-14 / 阅读(202) / 评论(0)

VOA标准英语2011年(三月)

英语听力：自然百科穿越银河系的旅行 Through Milky Way—14

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(309) / 评论(0)

自然百科2011年

60秒科学:Nobel Prize in Physics

Nobel Prize in Physics The 2009 Nobel Prize in physics goes to Charles Kao of Standard Communications Labs in England and the Chinese University of Hong Kong for the invention of practical optical fiber communication, and George Smith and Willard Boy

发表于:2019-01-30 / 阅读(214) / 评论(0)

60秒科学

VOA常速英语2013--巴勒斯坦现代城市出现在西岸

Modern Palestinian City Going Up in West Bank 巴勒斯坦现代城市出现在西岸 RAWABI, WEST BANK A new Palestinian city is rising on a hill in the West Bank. The first tenants are due to move in to the billion-dollar project next year, but the

发表于:2019-01-31 / 阅读(142) / 评论(0)

VOA常速英语2013年(十月)

2006年VOA标准英语-Democrats, Republicans Trade Praise, Jabs, Befo

By Dan Robinson Washington 10 December 2006 Democrats and Republicans in the House of Representatives have combined conciliatory rhetoric with criticism over legislative goals as Congress moves toward adjournment. VOA's Dan Robinson reports from Cap

发表于:2019-02-05 / 阅读(216) / 评论(0)

2006年VOA标准英语（十二月）

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(181) / 评论(0)

实用英语

雅思分类词汇：学校课程名称

大学英语College English 高等数学Advanced Mathematics 体育Physical Education 军事理论Military Theory 机械制图Mechanical Graphing 算法语言Algorithmic Language 大学物理College Ph

发表于:2019-02-08 / 阅读(218) / 评论(0)

英文语法词汇

经济学人:百货商场的逆袭细数各个领域中的"平台"(下)

As everything from tooth brushes to tractors grows more connected, the phenomenon is spreading to other industries. 现在，从牙刷到拖拉机都充满了连接，这个现象已经扩展到了其他领域。 The latest iterations gather mounds o

发表于:2019-02-16 / 阅读(130) / 评论(0)

经济学人商业系列

夏说英语新闻晨读第498期:吓得我都不敢拆圣诞礼物了

本期内容： Jeff Bezos knows when you've been sleeping, when you're awake, and when you've been bad or good, because you didn't change the default privacy settings on the Amazon smart speaker you set up in your bedroom. This Christmas, families w

发表于:2019-02-20 / 阅读(156) / 评论(0)

夏说英语新闻晨读

CCTV9英语新闻：New sounding rocket successfully launched in China

Chinese Academy of Sciences successfully launched a new sounding rocket, Kunpeng-1B, in Hainan Danzhou early Wednesday. The rocket reached a flight height of 300 kilometers for the first time. Its arrow configuration of altitude control system and ca

发表于:2019-03-12 / 阅读(393) / 评论(0)

cctv9英语新闻2016年

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assumption of normality

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babymeal

bambusa utilis