[计] 方波, 矩形波

square wave的用法和样例：

例句

Square waves, like sine waves, are periodic.方波如正弦波一样是周期性的。
In the square wave current welding,the inductance is very important to influence the fomation of square wave A.在方波交流焊中，电抗器的电感量对方波的形成及电弧的稳定性有着很大的影响。

E-Education: Wave of the Future or Passing Trend?

1) Entrepreneurs are spending millions to create for-profit universities of the Internet, and the smart money is betting that by the time your middle schoolers go off to college, they may not really g

发表于:2018-11-28 / 阅读(680) / 评论(0)

疯狂英语2002年

安妮鲜花推荐美国儿童歌曲 A Day at the Beach 03 Catch A Wave

Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresittin Ontopoft

发表于:2018-12-06 / 阅读(538) / 评论(0)

美国 Kidsongs 英语儿童歌曲

知性英语－People's Square

发表于:2018-12-07 / 阅读(544) / 评论(0)

知性英语

VOA标准英语2010年-Catching a Wave - and its Energy

One of the newest sources of alternative energy is also one of the oldest - water power. The 19th century water wheel, though, bears no resemblance to the 21st century contraptions powered by ocean waves. The wave energy sector has been slow to coale

发表于:2018-12-16 / 阅读(568) / 评论(0)

VOA标准英语2010年(十一)月

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(699) / 评论(0)

每日攻克5词

安妮鲜花推荐美国儿童歌曲 Let's Play Ball 08 Catch A Wave

CatchAWave Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresitt

发表于:2018-12-31 / 阅读(641) / 评论(0)

美国 Kidsongs 英语儿童歌曲

CCTV9英语新闻：Cold wave hits china

China's weather observatory has issued a blue alert for a cold wave in the coming two days that will sweep central and east China. The National Meteorological Center forecasts sharp temperature drops of up to 10 degrees Celsius and heavy wind to Inne

发表于:2019-01-05 / 阅读(614) / 评论(0)

cctv9英语新闻2015年

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(601) / 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(698) / 评论(0)

英语每日一词

美国习惯用语: Lesson 239 - fair and square / fair shake

我们在这次节目里要给大家介绍的两个习惯用语都有同一个关键的字。那就是fair。Fair这个字有很多解释。其中一个主要的意思是：公正或诚实。这也正是

发表于:2019-01-09 / 阅读(640) / 评论(0)

美国习惯用语

Leicester square 莱斯特广场

The script of this programme 本节目台词 Shakespeare's statue in Leicester Square John: Hello and welcome to Leicester Square for this edition of On The Town from Learning English, I am John and with me is my colleague Lily. Lily: 大家好！我是杨莉，

发表于:2019-01-16 / 阅读(542) / 评论(0)

都市掠影

Trafalgar Square 特拉法加广场

The script of this programme 本节目台词 Trafalgar Square in London Youling: Its the square for the tallest Christmas tree in London! Andrea: And the biggest New year celebration party! Andrea: For UK sporting victory parades! Youling: And large conc

发表于:2019-01-16 / 阅读(678) / 评论(0)

都市掠影

美国国家公共电台 NPR Oceans May Host Next Wave Of Renewable Energy

RACHEL MARTIN, HOST: I say renewable energy and you probably think wind or maybe the sun. You might be able to put the ocean's waves on that list, too. The Department of Energy is experimenting with this idea. The department is spending $40 million t

发表于:2019-01-16 / 阅读(551) / 评论(0)

2017年NPR美国国家公共电台11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(652) / 评论(0)

2018年NPR美国国家公共电台3月

美国国家公共电台 NPR How A Wave Is Unlike An Armadillo: One Reporter's Summer Puzzle

How A Wave Is Unlike An Armadillo: One Reporter's Summer Puzzle AUDIE CORNISH, HOST: This summer, NPR's science desk has been obsessing over waves - ocean waves, sound waves, even the wave you sometimes see fans doing at sporting events. Science corr

发表于:2019-01-17 / 阅读(641) / 评论(0)

2016年NPR美国国家公共电台8月

流行美语第145课 - back to square one / killer

Larry在帮李华写一篇报告，因为李华的电脑出了问题，她写的整个报告都丢了。今天李华会学到两个常用语：back to square one和killer. LH: 电脑出了问题，我写

发表于:2019-01-30 / 阅读(502) / 评论(0)

美国之音《流行美语》

2007年VOA标准英语-Madison Square Garden Retires Storied Boxing Ri

By Victoria Cavaliere New York 19 September 2007 The boxing ring at New York City's Madison Square Garden that over the past 82 years saw thousands of boxing greats rise and fall is being sent into retirement. Victoria Cavaliere reports from VOA's Ne

发表于:2019-01-30 / 阅读(558) / 评论(0)

2007年VOA标准英语（九月）

英语歌曲:布鲁斯 Eminem - Square dance

饶舌:Eminem - Square dance 相关介绍：超级大痞子阿姆绝对是乐坛话题人物，不断地制造新闻也让其他艺人望尘莫及，与艾尔顿强在葛莱美奖的合作更成为不朽经典。而阿姆Rap词间充满讥讽娱乐圈

发表于:2019-02-20 / 阅读(554) / 评论(0)

节奏布鲁斯

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

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:2019-02-21 / 阅读(603) / 评论(0)

2016CRI中国国际广播电台

节奏布鲁斯:Jordan Knight - Like A Wave

Sunrise... sunset One day I just can't forget. I follow you... you follow me We left footprints on the beach... You're so wrong... you're so right I can see us bathing in the moonlight Can you... can you... see... see it... see it too? (This is what

发表于:2019-03-04 / 阅读(848) / 评论(0)

节奏布鲁斯

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

(impressio gastrica (renis))

akebine

all's fish that comes to his net

anion exchange filter

annell

arsono

art of dynamic programming

assamar

authorized personnel only

auxiliary carrier cable

ball packing