航太光纤通讯系统

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(179) / 评论(0)

疯狂英语2003年

EXPLORATIONS - New Communications Technology

EXPLORATIONS - New Communications Technology By Paul Thompson Broadcast: Wednesday, February 25, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: A satellite telephone also pictured with its

发表于:2018-12-07 / 阅读(75) / 评论(0)

Explorations

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(85) / 评论(0)

走进剑桥大学

双语趣听精彩世界第80期:机上WIFI靠谱儿吗?

据路透社报道,网络安全研究员鲁本圣马尔塔表示,他发现了一种方法,可以通过飞机WIFI和机上娱乐系统入侵民航客机上的卫星通讯设备.如果该说法得到证实,将引发对飞机安全的重新审视. 机上

发表于:2019-01-01 / 阅读(69) / 评论(0)

双语趣听精彩世界

Powerless Aircraft Sets Altitude Record

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

发表于:2019-01-03 / 阅读(191) / 评论(0)

2017年VOA慢速英语(九)月

电信专业英汉词典f

FPLMTS 公用陆地移动电信系统 FDMA 频分多址 FITL 光纤环路 FDM 频分复用 FUNI 基于帧的UNI FLEX Frame Relay 讯框传送 Fixed Satellite Communications 固定卫星通讯 Fixed Ne

发表于:2019-01-03 / 阅读(75) / 评论(0)

电信英语

电信专业英英词典M-3

Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic

发表于:2019-01-03 / 阅读(94) / 评论(0)

电信英语

电信专业英英词典F-3

补充： FAQ - An acronym for Frequently Asked Questions. FAQs are online documents that list and answer the most common questions on a particular subject. Federal Excise Tax - A 3% tax mandated by t

发表于:2019-01-03 / 阅读(60) / 评论(0)

电信英语

2006年VOA标准英语-Experts Urge Narrowing Technology Divide B

By Cathy Majtenyi Nairobi 17 May 2006 An African-wide conference of policy makers, engineers, industry leaders, scientists, and experts in the information and communications technology field, known as

发表于:2019-01-07 / 阅读(143) / 评论(0)

2006年VOA标准英语（五月）

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(111) / 评论(0)

VOA标准英语2011年(三月)

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(90) / 评论(0)

2015CRI中国国际广播电台

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(217) / 评论(0)

自然百科2011年

“最后堡垒的隐私”—指纹在线加密

JEFFREY BROWN: Next new revelations about the government's ability to crack through important Internet privacy safeguards. Hari Sreenivasan has the story from our New York studio. HARI SREENIVASAN: Like other surveillance stories in recent weeks, the

发表于:2019-01-27 / 阅读(94) / 评论(0)

PBS访谈环境系列

VOA常速英语2008年-Internet Slowdown Continues to Hamper India

By Anjana Pasricha New Delhi 01 February 2008 India is continuing to suffer from sluggish Internet service, although the situation has improved somewhat since damage to undersea cables in the Mediterranean caused widespread net disruptions. Anjana Pa

发表于:2019-01-31 / 阅读(66) / 评论(0)

VOA常速英语2008年（二月）

我国研发的全球首个量子卫星即将发射

The first quantum communications satellite developed by China is expected to launch in July of this year. The BeijingShanghai quantum private communications line will also be opened in the second half of this year, according to Pan Jianwei, academic

发表于:2019-02-03 / 阅读(71) / 评论(0)

英语新闻

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(96) / 评论(0)

实用英语

中国发射首颗高通量通信卫星

A Chinese satellite will not only help those at the scene of natural disasters report on emergencies but enable passengers on high-speed trains to watch high-definition videos. Shijian-13, Chinas first high-throughput communications satellite, was la

发表于:2019-02-08 / 阅读(54) / 评论(0)

英语新闻

中国的银行名称知多少

银行作为现代生活必不可少的金融服务机构，你对它们了解多少？你知道我国的中央银行叫什么吗？它与其他银行有什么区别呢？我们都听说过四大国有银行，那么你知道是哪四家吗？今天我

发表于:2019-02-12 / 阅读(61) / 评论(0)

实用英语

Senior leader stresses innovations in aerospace science

BEIJING, June 8 (Xinhua) -- Senior Chinese leader Jia Qinglin has urged the country's aerospace science workers to strive for more breakthroughs in core technologies by taking an independent innovative approach. Jia, a member of the Standing Committe

发表于:2019-02-14 / 阅读(94) / 评论(0)

英语新闻

CCTV9英语新闻：President Xi expects new chapter in aerospace development

Sunday marks the first Space Day of China. Chinese President Xi Jinping has encouraged the country's space scientists and engineers to usher in a new chapter in aerospace development. Xi Jinping asked them to seize the strategic opportunity, and keep

发表于:2019-03-12 / 阅读(274) / 评论(0)

cctv9英语新闻2016年

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3-nitro-5-bromo-4-hydroxy-4-chloroazobenzene

automatic arc welding machine

barringer