单词：electromagnetic delay lines
(electromagnetic delay line 的复数)
单词：electromagnetic delay lines 相关文章
Wk 10 (10 March 1876) Bell Invents The TelephoneThis Week in HistoryAlexander Graham Bell claims to have invented the telephone, but did he? In 1876, Alexander Graham Bell made the first call on an electromagnetic telephone he had built, and went on
英语新闻与报道—News and Reports
(THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Faith Lapidus with the VOA Special English program EXPLORATIONS. You are listening to our program today on a radio. Almost no communication would exist in the world without the electromag
2018年VOA慢速英语(九)月
中文 英文 缩写 电表 ammeter 电场 electric field 电传打字机 teletype/teleprinter 电磁波传播 electromagnetic wave propagation 电磁发射 electromagnetic emission 电磁干扰 Elect
电信英语
Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.
电信英语
参考范文： This modern life As is shown in the above picture, people sit in front of the computer all day and night, even in their dreams theyre still playing computer games. Such thought-provoking phenomenon is, especially among young people, p
英语四级作文范文
AS IT IS 2014-08-26 Is North Korea Preparing to Strike US Electric Grid? 朝鲜准备打击美国电网吗? A longtime national security advisor to the United States Congress has said the countrys electric system -- called a grid -- is mostly unprote
2014年VOA慢速英语(八)月
Scientists have solved the mystery behind the brilliant northern and southern light show known as Aurora Borealis. The phenomenon is caused by electromagnetic energy from the sun, which experts say also wreaks havoc on ground-based power grids and s
VOA标准英语2008年（七月）
By Kurt Achin Seoul 20 May 2008 South Korean lawmakers from mainly liberal parties say they will block ratification of a major free-trade deal with the United States amid a panic about American beef imports. The political stalemate ends hopes for a s
VOA标准英语2008年（五月）
Pentagon's Electromagnetic Gun Awaits Use Marines stage a scene that has become more frequent for U.S. forces in Afghanistan. The mock protesters are harmlessly dispersed with a high-tech device. It is called the Active Denial System. Using an electr
VOA标准英语2012年(四月)
Scientists Point to Possible Health Effects of Cell Phones This past May, in a major policy shift, the World Health Organization said electromagnetic fields produced by mobile phones are possibly carcinogenic. Although the International Association f
VOA标准英语2011年(八月)
With The Rise Of Legal Weed, Drug Education Moves From 'Don't' to 'Delay' LULU GARCIA-NAVARRO, HOST: California entered the brave, new world of marijuana legalization in 2018. And it's impossible to ignore. There are new dispensaries opening, even bi
2018年NPR美国国家公共电台6月
By Lisa Bryant Paris 01 February 2008 The European Union has announced it would delay a peacekeeping mission to Chad because of a new rebel offensive against N'Djamena's government. Meanwhile, Lisa Bryant reports from Paris the French government is d
VOA常速英语2008年（二月）
By Al Pessin Prague 23 October 2007 U.S. Defense Secretary Robert Gates says the United States might be willing to postpone activation of missile-defense sites planned for Poland and the Czech Republic until there is proof Iran has missiles that coul
2007年VOA常速英语（十月）
Nasa is entering the final stages of preparation for its last ever shuttle mission, but it is keeping a very careful eye on the Florida sky. The weather over the Space Coast was atrocious on Thursday, with torrential rain falling on the Atlantis orbi
英语新闻
WASHINGTON, Jan. 17 (Xinhua) -- U.S. President Barack Obama has insisted on his stance that Congress should increase the country's debt ceiling without delay, White House spokesman Jay Carney said Thursday. The President has made clear he's not going
英语新闻
Ethiopia has agreed to a brief delay in its troop pullout from Somalia to allow the international community time to organize a replacement force. VOA's Peter Heinlein in Addis Ababa reports the African Union is issuing an urgent appeal for manpower
VOA标准英语2008年(十二月)
Idiom: Red carpet ( good treatment ) Hit the book: Parking meter Iconoclast Banish Tattoo Electromagnetic Costly Detriment Landfill Bobble From passports to parking meters, design iconoclast Karim Rashid sees a world overflowing with outdated objects
趣味青春英语
What's that?Sort of a shove.Shot passed my legs there. 那是什么 铲子似的东西 从我的腿边游了过去 We need to speed up. Get moving. 得加速了 动起来 Sharks lock on to the electromagnetic fields that all living creatures produce.
荒野求生
On a previous Moment of Science we discussed one of the problems with turning yourself invisible. Sure, it sounds like fun. But a little physics showed us that the invisible man couldn't see anything either, because in order to see, light has to inte
英语时差8，16