[化] 电磁波谱

英语新闻与报道—News & Reports 106

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

发表于:2018-12-27 / 阅读(149) / 评论(0)

英语新闻与报道—News and Reports

第41期: long, wave, copy, mail, information

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 long [ lCN ] I longed for a bicycle. v

发表于:2018-12-30 / 阅读(234) / 评论(0)

每日攻克5词

VOA慢速英语2018--July 23, 2003: History of Radio

(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

发表于:2019-01-03 / 阅读(220) / 评论(0)

2018年VOA慢速英语(九)月

电信类英语词汇表大全-32

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

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电信英语

电信专业英英词典F-2

Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so

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电信英语

电信专业英英词典E-1

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.

发表于:2019-01-03 / 阅读(168) / 评论(0)

电信英语

学个词Learn a Word 第1023期 Heat wave

今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(208) / 评论(0)

英语单词荟萃

每日一词【1023】heat wave：热浪，高温天气

发表于:2019-01-07 / 阅读(204) / 评论(0)

英语每日一词

2015年6月英语四级作文答案：科技与现代生活

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

发表于:2019-01-08 / 阅读(171) / 评论(0)

英语四级作文范文

VOA慢速英语2014 朝鲜准备打击美国电网吗?

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

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2014年VOA慢速英语(八)月

VOA标准英语2008年-Scientists Solve Mystery of Brilliant Northern,

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

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VOA标准英语2008年（七月）

VOA标准英语2012--Pentagon's Electromagnetic Gun Awaits Use

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

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VOA标准英语2012年(四月)

VOA标准英语2011--Scientists Point to Possible Health Effe

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

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VOA标准英语2011年(八月)

美国国家公共电台 NPR The Wave Of Female Candidates Is Set For A Wave Of Losses, Come November

MICHEL MARTIN, HOST: Let's talk midterm elections now. The enthusiasm of Democrats is a major force shaping this year's crop of candidates. Among the results of a newly energized Democratic Party, far more women are running and expected to run in thi

发表于:2019-01-16 / 阅读(228) / 评论(0)

2018年NPR美国国家公共电台3月

中国布局引力波探测

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-02 / 阅读(205) / 评论(0)

英语新闻

如何降低电脑辐射

第一招：在电脑旁放上几盆仙人掌，它可以有效地吸收辐射。第二招：对于生活紧张而忙碌的人群来说，抵御电脑辐射最简单的办法就是每天上午喝2至3杯的绿茶，吃一个橘子。第三招：上网

发表于:2019-02-03 / 阅读(190) / 评论(0)

阅读空间

趣味青春英语电台第284期:Red carpet

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

发表于:2019-02-16 / 阅读(225) / 评论(0)

趣味青春英语

2016年CRI China's Unveils ＂Taiji＂ Gravitational Wave Plan

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2016CRI中国国际广播电台

《荒野求生》之跟着贝尔去冒险第399期:美味的盘中餐

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.

发表于:2019-02-24 / 阅读(184) / 评论(0)

荒野求生

【英语时差8，16】隐形人同样无法看到你2

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

发表于:2019-03-06 / 阅读(216) / 评论(0)

英语时差8，16

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