[计] 方波, 矩形波

square wave的用法和样例:

例句

  1. Square waves, like sine waves, are periodic.方波如正弦波一样是周期性的。
  2. 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。

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(136) / 评论(0) 分类 疯狂英语2002年

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

发表于:2018-12-06 / 阅读(60) / 评论(0) 分类 美国 Kidsongs 英语儿童歌曲

发表于:2018-12-07 / 阅读(109) / 评论(0) 分类 知性英语

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(66) / 评论(0) 分类 VOA标准英语2010年(十一)月

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(130) / 评论(0) 分类 每日攻克5词

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

发表于:2018-12-31 / 阅读(136) / 评论(0) 分类 美国 Kidsongs 英语儿童歌曲

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(104) / 评论(0) 分类 cctv9英语新闻2015年

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(108) / 评论(0) 分类 英语单词荟萃

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(107) / 评论(0) 分类 英语每日一词

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(129) / 评论(0) 分类 美国习惯用语

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(106) / 评论(0) 分类 都市掠影

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(210) / 评论(0) 分类 都市掠影

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(68) / 评论(0) 分类 2017年NPR美国国家公共电台11月

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(129) / 评论(0) 分类 2018年NPR美国国家公共电台3月

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(80) / 评论(0) 分类 2016年NPR美国国家公共电台8月

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(78) / 评论(0) 分类 美国之音《流行美语》

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(96) / 评论(0) 分类 2007年VOA标准英语(九月)

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(74) / 评论(0) 分类 节奏布鲁斯

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(90) / 评论(0) 分类 2016CRI中国国际广播电台

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(183) / 评论(0) 分类 节奏布鲁斯
学英语单词
a mound of
abyt
actinic light
Armourdale
associative directory
autotransplantation of tooth
Barrell
belt transport detector
big floe
Bigadic
bigam
Biggar
block hole
broken coal
built H beam
c-was
carbohydride
career stream
cascade gamma emission
cavehills
Cercis chuniana
cherishings
Clebsch-Gordan coefficient
coffered foundation
connecting gear
coupling release handle
decimal equivalents of inch
deckhook
dropping point thermometer
electronic paramagnetic resonance spectrometer
evaporating region
exalgin
exchange of commedities in foreign trade
Fadiman
ferril
fibre-contact point
fin stabilized projectile
fine art(s)
frighteners
fuel cutoff
get sth off one's hands
haemodorums
haptolachus
Hardeeville
Hare's treatment
hollow-bit
huggees
hypopyle
index trend
ischar
jockey club
k-lors
krewelle
landscaped garden
light intensifier
locking dog
marginal fold
master seamen
multiple plunger load
normal random process
nuphar
office employees
ovariocystectomy
path specification
penuriously
physiculus maximowiczi
polyaluminium chloride
postulative
rabinal
reftone
regional diversity
secondary stomodaeum
seizinger
semicarbazide hydrochloride
shant
shunt-field winding
Sida rhomboidea
side roads
skeletocutis carneogrisea
sociable weaver
sonoriensis
spleter
suffix operator
synesthesia
tectaria impressa
telescopic settlement gauge
tellez
tilting chair
transonic tactical aircraft
traumatic labyrinthitis
treebank
undamped medium frequency elec-trotherapy
UNDT
urea-ammonia liquor b
variable character
wafture
went downhill
white croaker
wifeliness
xvid
Zavodskoy