调频信号的线性混合

WHITE HOUSE President Donald Trumps administration wants to shut down U.S. government radio stations that announce official time, a service in operation since World War II. WWV and WWVB in the state of Colorado and WWVH on the island of Kauai in the

发表于:2018-12-01 / 阅读(148) / 评论(0) 分类 VOA标准英语2018年(九月)

Photo: Julie Taboh Cocoa marinated tenderloin of beef is an example of chocolate being paired with other savory ingredients Americans love their chocolate, especially during the holiday season. For Gerri Ratliff, 48, buying chocolate during the holid

发表于:2018-12-08 / 阅读(136) / 评论(0) 分类 VOA标准英语2009年(十二月)

Wine mixing调酒 It is the first day of wine mixing class. 今天是调酒训练班上课的第一天。 The teacher asked us to mix a glass of Long Island Tea. 老师要求我们调出一杯长岛冰酒。 I tried to mix different wines, as a resul

发表于:2019-01-02 / 阅读(156) / 评论(0) 分类 不用背句型学英语

On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera

发表于:2019-01-02 / 阅读(207) / 评论(0) 分类 2017年VOA慢速英语(一)月

Three radio stations in the United States mainly broadcast one thing: the official time. The three are radio stations WWV and WWVB, in the state of Colorado, and WWVH, on the island of Kauai in Hawaii. They send out signals that are used by millions

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 2018年VOA慢速英语(九)月

补充: Backbone - A series of high-speed network connections through which other networks connect. Bandwidth - According to Webster's: a range within a band of wavelengths, frequencies, or energies

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 电信英语

Cache - Generally, a place to temporarily store something. Regarding computers and telecommunications, it is a place where data is temporarily stored during transmission. Call - This is a connection b

发表于:2019-01-03 / 阅读(155) / 评论(0) 分类 电信英语

Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic

发表于:2019-01-03 / 阅读(158) / 评论(0) 分类 电信英语

Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 电信英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. A new archaeological find may signify one of the great leaps in human cultural and cognitive history. Because researchers have discovered a 100,000-yea

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(十)月

图片1 Muddy, brown water. A couple of wiffle balls. An old, dirty snowman toy. A plastic Dora the Explora figure that has been buried in the earth for over a year. Add to these things a stinky sock and a few sticks, and you have the perfect recipe

发表于:2019-01-09 / 阅读(160) / 评论(0) 分类 英语博客 A cup of English

66 神秘的彗星

发表于:2019-01-30 / 阅读(186) / 评论(0) 分类 科技之光

Cocktail fans in London will want to take deep breaths when they enter a pop-up bar that opens on Thursday, July 30, on the site of an ancient monastery in Borough. 位于博罗市场古老修道院内的一家快闪酒吧于7月30日开放,伦敦爱

发表于:2019-02-04 / 阅读(332) / 评论(0) 分类 阅读空间

If you are looking for a loan, serving your bank manager breakfast might just do the trick. 如果你准备申请贷款,不妨为银行经理准备早餐,问题即可迎刃而解。 A compound found in eggs makes people much more generous, new re

发表于:2019-02-07 / 阅读(499) / 评论(0) 分类 阅读空间

The little hairbird still continues his almost incessant chirping, the first to begin and the last to quit the performance. 小小的梳妆鸟依旧在无休止地啾鸣,先是第一只开始,直到最后一只停止表演。 Though the voice of

发表于:2019-02-11 / 阅读(111) / 评论(0) 分类 美国语文第六册

In the morning, at this time of year, on the contrary, we are overpowered by the vocal and multitudinous chorus of the feathered tribe. 与之形成鲜明对比的是,每年这个季节的清晨,我们都会被长着羽毛的族类那动听和多声

发表于:2019-02-11 / 阅读(122) / 评论(0) 分类 美国语文第六册

But the Nautilus wanted nothing to do with these nasty animals. Timor Island was visible for barely an instant at noon while the chief officer determined his position. 但诺第留斯号跟这些怪难看的动物并没有什么交道可打。帝位岛

发表于:2019-02-17 / 阅读(120) / 评论(0) 分类 《海底两万里》中英双语有声读物

Science and technology. 科技。 Neutrino communications 中微子通信 ET, phone home 外星人,致电家中 The world's first neutrino-messaging service 世界上首次中微子通信服务 PARTICLE physics is all very well for addressing trivi

发表于:2019-02-18 / 阅读(142) / 评论(0) 分类 经济学人综合

the previous show Don and Yael discussed communication from other worlds. Well, as it turns out if E.T. does try to phone it will be much more complicated than can you hear me now? D: Okay, Yael, so suppose one day scientists pick up a transmission t

发表于:2019-02-23 / 阅读(157) / 评论(0) 分类 英语时差8,16

Clouds in the Kitchen 厨房飘着的云朵 Fill a kettle with water, then turn on the burner. In a while, your kettle will start belching white billowy stuff into the air. What is this stuff? Steam? Actually, no. Steam is water thats heated to two h

发表于:2019-02-24 / 阅读(167) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-oecious
acquired cutis laxa
adult primary tuberculous infection
akvabit
alo
american bank note company
antiwrinkle
appendance
asystoles
b. m. thyreohyoidei
bacteria families
baldwin
bandaletta
barrage-type spillway
Bill And Hold
board-walker
cesaria
Cinopal
Coleus bracteatus
conjunct polymerization
copper ionization
Crotalus mitchellii
danger warning sign
deep submergence system
diaphragmatic tic
direct variation
direct-current electro-magnetic
dispatchbox
dolus vel fraus
duncan's multiple range test
dyauss
Eurya tsaii
falling snow
fig-trees
fission detector
flexion deformity
front course sector
front intake door
fuants
gas-filled detector
geospizines
Gilbert Act
have an oar in every another's boat
heat-bondable fibre
Hereroland
high-purity aluminium foil
in-flight calibration
insolameter
interrailing
inverse sar (isar)
IVDSA
kablan
keep under someone's feet
m-dinitrobenzene
manufacturer/ distributor
matric suction
matrix differential equation
mill market
moon the giant
msus
muckraked
musculus supracarinalis cranialis
offence of conspiring to overthrow the government
one-quintillionth
oral amendment
Orbitome
panelvan
Panicum miliaceum
parampnochlorphenol
parasitic conjunctivitis
peritrematalia
photographometer
polling issue
portable type crank grinder
postpositivists
put in the background
Queens County
rajya
reaws
recarbonation
red face test
rejected take-off
Road-net
school leaver
sgambatis
slave emancipation
TA-WAVE
tallon
thin-walled vessel
to propose
to whom this may concern
Touques
traffic profile
transit network identification
v-note
vibrating sorter
visual model
void generator
Werlhof's disease
wine-vat
Zambales Mountains