[电讯] 天线有效噪声温度

12. Stop the Noise Mr. Chen is talking to his neighbor Mrs. Wang. C: May I have a word with you? W: Sure. What's the problem? C: It's about your son. I'm tired of his making so much noise at all hours

发表于:2018-11-27 / 阅读(527) / 评论(0) 分类 赖世雄中级美国英语

There are six characteristics of speech, all of which are vital to speak effectively. In this section we'll look at each of them separately. These speech characteristics are basically important to you

发表于:2018-11-28 / 阅读(236) / 评论(0) 分类 疯狂英语2001年

BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely

发表于:2018-11-28 / 阅读(280) / 评论(0) 分类 疯狂英语2001年

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(303) / 评论(0) 分类 新东方背诵文选

AS IT IS 2014-05-06 Looking for Vaccines Outside the Cold Chain Hello, and welcome back. I'm Jim Tedder in Washington. Today we will help you improve your American English while giving you some new information about medicines. This is the kind of thi

发表于:2018-12-16 / 阅读(138) / 评论(0) 分类 2014年VOA慢速英语(五)月

By Melinda Smith Washington 31 August 2007 Centuries ago doctors used hypnosis to help relieve the excruciating pain of surgery. It then fell out of favor with the introduction of anesthesia. Now as VOA's Melinda Smith reports, new studies show a hos

发表于:2018-12-16 / 阅读(194) / 评论(0) 分类 2007年VOA标准英语(八月)

Researchers find circadian clock in Monarch's antenna plays a major role in navigation Shelley Schlender | Michoacn, Mexico 22 March 2010 Scientists believe antennas are critical to the navigation of the Monarch butterfly. Related Links Monarch Watch

发表于:2018-12-16 / 阅读(169) / 评论(0) 分类 VOA标准英语2010年(三月)

Lesson 156 Part Ⅰ Warming-up Exercises Spot Dictation: The Temperature Check Last winter we had kind of a, uh, cold winter and I was home in bed _____ one night and listening _____ my radio. And, uh

发表于:2018-12-27 / 阅读(149) / 评论(0) 分类 英语听力入门 (全四册)

There is of course a great deal we don't know, and much of what we think we know we haven't known, or thought we've known, for long. Even the notion of the Big Bang is quite a recent one. 当然,有大量的事情我们不知道,还有大量的事情

发表于:2019-01-01 / 阅读(125) / 评论(0) 分类 万物简史

Brian didnt have cable TV. He didnt have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He looke

发表于:2019-01-02 / 阅读(201) / 评论(0) 分类 简单慢速英语阅读

Brian didn't have cable TV. He didn't have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He loo

发表于:2019-01-02 / 阅读(168) / 评论(0) 分类 原版英语小短文

Ground - Connecting the Earth to electrical equipment with a conductor. This is done so current overloads (perhaps due to a lightning strike) can be safely diverted to the Earth. Ground Fault Circuit

发表于:2019-01-03 / 阅读(145) / 评论(0) 分类 电信英语

It was the first day of school. As the principal made his rounds, he heard a terriblecommotion coming from one of the classrooms. He rushed in and spotted one boy, taller than the others, who seemed to be making the most noise. He seized the lad, dra

发表于:2019-01-05 / 阅读(193) / 评论(0) 分类 趣味英语

英文歌词: It's easy to feel like You're all alone To feel like nobody knows The great that you are The good that's inside you Is trying so hard to break through[00:29.91]Maybe it's your time to lift off and fly You won't know if you never try I will

发表于:2019-01-05 / 阅读(233) / 评论(0) 分类 音乐咖啡厅

By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m

发表于:2019-01-09 / 阅读(165) / 评论(0) 分类 VOA标准英语2008年(五月)

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(181) / 评论(0) 分类 英语杂谈

GUY RAZ, HOST: I want to ask you about this really famous Talmudic notion - actually, it might be that in the Quran as well - but this idea that, you know, if you save a single life, then you have saved all of humanity. You know that one? PETER SINGE

发表于:2019-01-17 / 阅读(141) / 评论(0) 分类 2017年NPR美国国家公共电台5月

(Probably Not a) Giant Alien Antenna强大的外星人光束 The Earth is studded with telescopes, listening for electromagnetic radiation from the great beyond. And a decade ago, astronomers stumbled upon a mysterious signal: a powerful pulse of rad

发表于:2019-01-20 / 阅读(191) / 评论(0) 分类 2017年Scientific American(三)月

The Giants SecretLong ago there was a king who had a very brave son. One day the son told his father, Father, I am going to roam the world in search of adventures.The king did not want to grant his son permission to do so, but the prince insisted so

发表于:2019-02-08 / 阅读(185) / 评论(0) 分类 英美文化

Chances are youve heard or rather, not heard the effects of a noise gate, but unless youre into audio engineering, you probably didnt realize it. Ever been at a concert or listen to a radio broadcast where it sounds great when theres music playing or

发表于:2019-02-18 / 阅读(235) / 评论(0) 分类 阅读空间
学英语单词
activated antiroll tank stabilization system
acu-stimulator
aerospace medical physician
All is lost.
almond-leaves willows
alphonsea mollis dunn
argutone
art tatums
Autenrieth-Funk's method
axillary paralysis
Bacillus haemorrhagicus
be drenched with sunshine
Bernal Islands
blade construction
booster explosive
boulderstone
brodown showdown
by ourselves
cancer-related
card counting sorter
Cariri
cleavage fragment
Cochlearia scapiflora
coherent spectrum
cold communication
come into step
convenience classes
cotillions
crush cutting
Cuchulain
decussatio pyramidum
degradable polymer
dense granule
deubiquitinations
Eldorado Springs
ellickson
eloge
empiriocriticism
fibrocartilage interarticularis
flexibility of spring
forward wing
Genil, R.
habitat matrix
healless
high speed centrifugation
home net
hydrogen distribution
interferometric spectroscopy
international through traffic station
jarking
job processor
lamproom
lead tetraethyl
Leignon
linguisticky
LLAC
longhorn beetle
made in
mastadon
meindert
microphyton
minus involute
Modified Dietz Method
moment of volume
Monte Santa Maria Tiberina
Myanaung
nobblings
nucleolytic
Nun R.
occupational mobility
Old World scops owl
Orpizin
Perciliidae
petroleum pollution
Poriol
pot layering
R-05-0831
radio lobes
residual velocity head
second carbonation juice
serologic
session limit
shinko matsuri (japan)
shop sweeping
slow regeneration
spit-shine
strain-recording instrument
strategy games
suipoxvirus swinepox virus
takeoff clearance
tank suit
tbermochroic
technographical
tectonic moraine
three-phase alternating-current supply
trade system
trnman
unanswerables
wearing the trousers
wedding march
Yalobusha
zoom projection lens