同步振荡器[信号发生器,发电机]

考研英语词汇 list13

[00:04.00]flight [00:06.22]n.飞翔，飞行；航班；航程；楼梯的一段 [2]逃跑，溃退 [00:08.44]fling float flock [00:11.62]vt.(用力地)扔,抛,丢 v./n.漂浮,浮动 n.(禽,畜等的)群;大量v.群集,成群 [00:14.81]flood floor [0

发表于:2018-11-30 / 阅读(615) / 评论(0)

考研英语词汇2005

VOA常速英语2014--非洲太阳能发电厂或将供应欧洲电力

Solar Power Plant in Africa to Supply Europe 非洲太阳能发电厂或将供应欧洲电力 WASHINGTON By 2018, a large solar power plant in the Tunisian part of the Sahara desert may start sending power to energy-hungry Western Europe. The company

发表于:2018-12-16 / 阅读(331) / 评论(0)

VOA标准英语2014年(十月)

大学英语四级词汇 033

fruitful a.多产的；有成效的 frustrate vt.破坏，阻挠；使失败，使泄气 fry v.油煎，油炸 fuel n.燃料；养料 v.(给)加燃料；刺激；推动 fulfil vt.履行(诺言等)；完成(计划等)；达到 fulfill vt.履行(诺言、

发表于:2018-12-30 / 阅读(433) / 评论(0)

大学英语四级词汇拼读版

奥运28大项第27课 Diving跳水 05

北京奥运28大项参与，竞争，分享，进步 Diving 跳水英文原文 COMPETITION PROCEDURE 竞赛程序 Every competition shall be controlled by a Referee, supported by Assistant Referees, together with Judges and a Secretariat. The number of the dive to be perfo

发表于:2018-12-30 / 阅读(454) / 评论(0)

奥运28大项比赛

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(486) / 评论(0)

电信英语

电信专业英英词典E-4

EMI electromagnetic interference; also, exchange message interface End Office (EO) EO is a LEC (BOC or an ITC) switching system within a LATA where local loops to customer stations are terminated for

发表于:2019-01-03 / 阅读(372) / 评论(0)

电信英语

China expands its oldest nuclear power plant with new unit

BEIJING, April 8 (Xinhua) -- Qinshan nuclear power plant, China's first, has finished an expansion project with a new generator unit in operation, said China National Nuclear Corporation (CNNC) on Sunday. The pressurized water reactor power-generatin

发表于:2019-01-07 / 阅读(439) / 评论(0)

英语新闻

研究表明情侣合作存优势女性多处主导地位

Recent research by Chinese scholars has shown that lovers have certain advantages when it comes to cooperation, and that females play a leading role in cooperation between heterosexual couples. 中国学者最近的一项研究表明，情侣在合作方

发表于:2019-01-08 / 阅读(407) / 评论(0)

阅读空间

世界名人简介第5期:安格拉·默克尔

Angela Merkel was born in Hamburg in 1954. She became Germanys first female Chancellor and the first from communist East Germany in 2005. Forbes magazine listed her as the most powerful woman in the world in 2006 and 2007. Western media often dub her

发表于:2019-01-11 / 阅读(411) / 评论(0)

世界名人简介

Bladeless Wind Generator Safe for Birds

Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t

发表于:2019-01-12 / 阅读(556) / 评论(0)

2015年VOA慢速英语(七)月

VOA常速英语2007年-Pentagon: US-Pakistan Military Cooperation Unaf

By Al Pessin Washington 08 November 2007 A senior U.S. military officer says there has so far not been any impact on U.S.-Pakistani military cooperation, since the declaration of a State of Emergency in Pakistan on Saturday. VOA's Al Pessin reports f

发表于:2019-01-16 / 阅读(489) / 评论(0)

VOA常速英语2007年（十一月）

全球钟表今日将加“一闰秒”

Airlines, trading floors and technology companies are braced for chaos today as world timekeepers prepare to add a leap second to global clocks. 世界钟表今天要给全球的钟表加一闰秒，因此航班、交易所、科技公司正在为即将

发表于:2019-01-16 / 阅读(369) / 评论(0)

阅读空间

美国国家公共电台 NPR In Puerto Rico, A Generator's Buzz Powers One Singer's Musical Imagination

RAY SUAREZ, HOST: After Harvey and Irma, the hurricane season wasn't over. Hurricane Maria made landfall on Puerto Rico as a massive Category 4 storm. Months later, the power supply is still spotty, and thousands of homes still rely on generators. Da

发表于:2019-01-16 / 阅读(491) / 评论(0)

2017年NPR美国国家公共电台12月

PBS高端访谈:饮用水管道是如何同时进行发电的?

JUDY WOODRUFF: Next: the possibilities of getting more energy through water. Humans have long harnessed the power of water to perform work. In modern time, hydroelectricity, generated by the power of water flowing through turbines at the base of dams

发表于:2019-01-27 / 阅读(460) / 评论(0)

PBS访谈环境系列

新奇：时速160公里的自行车

Now Minneapolis-based inventor Rich Kronfield has created an electric-assist 'Raht Racer' velomobile that he claims can travel at up to 100mph (160km/h). 现在美国明尼阿波利斯的发明家里奇?科伦菲尔德研制了电动拉特赛车（Ra

发表于:2019-02-13 / 阅读(455) / 评论(0)

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科学美国人60秒 SSS Brain Scan Might Reveal Appetite for Risk

Volunteers willing to place riskier bets tended to sport larger amygdalasa region associated with processing fear. Christopher Intagliata reports. Full Transcript Here's the gamble: 20 bucks guaranteedor a 5050 chance of winning 60 bucks? Which would

发表于:2019-02-14 / 阅读(338) / 评论(0)

2018年科学美国人4月

科学美国人60秒 SSS 押宝可不是随意的！

Brain Scan Might Reveal Appetite for Risk Here's the gamble: Twenty bucks guaranteedor a 50/50 chance of winning sixty bucks?Which would you choose? 赌博游戏规则：20块钱押宝...或50/50赢取60块钱的机会?你会选择哪一个? The answ

发表于:2019-02-14 / 阅读(401) / 评论(0)

2018年科学美国人4月

早安英文第439期:缩写单词该怎么发音

1.shortenings: 截短 APP - application，sync - synchronization 2.Initialisms: 首字母 UN - United Nations，CD - compact disc，SIM - subscriber identification module 3.Contractions: 收缩 Dr. - doctor，Mr. - Mister，can't - can not ，VS - ve

发表于:2019-02-15 / 阅读(395) / 评论(0)

早安英文

听歌学英语：你的名字 Your Name

This goes out to the most beautiful girl that I saw the other day 这首歌仅献给那天我遇到的最美的姑娘 She had me slipping and she had me falling for her right away 几乎是一瞬间，我就这样被她迷得神魂颠倒 This goes ou

发表于:2019-02-18 / 阅读(455) / 评论(0)

听歌学英语

研究发现:人类可以通过汗液来传播快乐

Men spread happiness by sweat 人类通过汗液传播快乐 According to a team of European researchers, happiness may generate chemicals that get secreted in sweat, which gets sniffed by those around us, making them happier. 欧洲的一组研究人员

发表于:2019-02-25 / 阅读(421) / 评论(0)

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学英语单词

acceptable emergence dose

attempt the impossible

birkeland and eyde process