[电] 放大自动增益控制

It sits a million miles away from the Earth 它位于距地球一百万里处的 at the Lagrangian point 拉格朗日点 where the gravitational pull from the Earth and the sun is equal. 此处地球和太阳的引力相等 Fixed in space it has an u

发表于:2018-12-07 / 阅读(122) / 评论(0) 分类 太阳科普

BBC News with Julia Candler. A senior member of North Koreas government has warned that his country would react with a pre-emptive nuclear strike if it saw signs that the US was preparing to launch an attack. Speaking to the BBC, the Vice Foreign Min

发表于:2018-12-20 / 阅读(80) / 评论(0) 分类 中英双语新闻

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 Scientific American(七)月

The Government Communications Security Bureau (GCSB) is our spy organisation. At the moment, it can only legally spy on foreigners in New Zealand. However this organisation made a mistake spying on Kim Dotcom because he is a permanent resident. Also,

发表于:2018-12-31 / 阅读(98) / 评论(0) 分类 新西兰英语

Lose Yourself 电影《8英里》主题曲 演唱者:Eminem 电影《8英里》主题曲。EMINEM的这首是一首可以被五星收藏的RAP,它的播放率始终居高不下,不仅因为它的旋律,它的歌词和名字。虽然后面的歌

发表于:2019-01-03 / 阅读(69) / 评论(0) 分类 电影歌曲

Rob: Hello Im Rob and this is 6 Minute English. With me today is Finn. Hello Finn. Finn: Hello Rob. Rob: Were talking about noise today - and looking at some of the words and phrases associated with noise and its opposite: peace and quiet. But, as al

发表于:2019-01-07 / 阅读(126) / 评论(0) 分类 六分钟英语

Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethings wrong. Or can it? M.I.T. researchers say theyve developed a fiber that would allow clothing to eventually do those things. Their study is in

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 Scientific American(七)月

The numbers calling for President Hosni Mubarak to resign in Egypt keep growing in central Cairo. More than a quarter million people now estimated to be overflowing from Tahrir Square. Thousands more are rallying outside Cairo. NPR's Corey Flintoff m

发表于:2019-01-08 / 阅读(306) / 评论(0) 分类 2011年NPR美国国家公共电台2月

序号 中 文 英 文 术语解释 缩写 来源 141 操作与维护 OAM YD/T 1123-2001 142 操作系统 OS YD/T 1123-2001 143 开放系统互联 OSI YD/T 1123-2001 144 始发/终接CAMEL用户签约

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 电信英语

Once upon a time, there was a king who had a daughter as beautiful as a blooming rose. To all the suitors who came to the king's palace to ask for the hand of the princess, the old king assigned three tasks to be accomplished, each next to impossib

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 英语演讲

TEHRAN, Jan. 19 (Xinhua) -- After eight years of struggle over Iran's nuclear program, the prospect of the upcoming nuclear meeting between Iran and the G5+1 countries in Istanbul( 伊斯坦布尔) on Friday and Saturday seems to be less promising. B

发表于:2019-01-20 / 阅读(78) / 评论(0) 分类 英语新闻

部分人的工作是长期暴露在噪音中的,像迪厅的DJ,机场的工作人员。长期处于这样的工作环境,是否会对听力造成影响? Rob: Hello Im Rob and this is 6 Minute English. With me today is Finn. Hello Finn. Finn:

发表于:2019-01-23 / 阅读(61) / 评论(0) 分类 一起听英语

Finance and Economics;Vegetable oil;What's cooking? 财经;植物油;发生了什么事? Edible oils are filling fuel tanks as well as bellies; 食用油填饱了肚子还要灌满油箱; Oil markets are full of uncertainty. Asian demand

发表于:2019-01-27 / 阅读(64) / 评论(0) 分类 经济学人财经系列

From time to time, we all deal with disappointment at work. It just happens. A hiring manager can choose the wrong candidate to fill avacancy; a project sponsor can suddenly pull support; and a colleague can stab you in the back. 在工作中,我们时

发表于:2019-02-01 / 阅读(76) / 评论(0) 分类 阅读空间

A new study suggests that parents who wash their dishes by hand, rather than in a dishwashing machine, may unwittingly lower the likelihood that their children will develop allergies. 一项新研究表明,父母用手洗碗而不是用洗碗机可能

发表于:2019-02-06 / 阅读(77) / 评论(0) 分类 阅读空间

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(111) / 评论(0) 分类 阅读空间

Vegetable oil 植物油 Whats cooking? 发生了什么事? Edible oils are filling fuel tanks as well as bellies 食用油填饱了肚子还要灌满油箱 Sep 17th 2011 | from the print edition OIL markets are full of uncertainty. Asian demand is bo

发表于:2019-02-17 / 阅读(90) / 评论(0) 分类 经济学人综合

Vegetable oil 植物油 Whats cooking? 发生了什么事? Edible oils are filling fuel tanks as well as bellies 食用油填饱了肚子还要灌满油箱 Sep 17th 2011 | from the print edition OIL markets are full of uncertainty. Asian demand is bo

发表于:2019-02-17 / 阅读(81) / 评论(0) 分类 经济学人综合

Yesterday's earthquake in Mexico was the second in less than two weeks and brought back memories of the terrible tremor that hit 30 years to the day yesterday. So many are asking about why the country and region seem more prone to these earthquakes.

发表于:2019-02-17 / 阅读(71) / 评论(0) 分类 PBS访谈社会系列

Facebook is bad for you Facebook对你没好处 Get a life! 回到现实中过日子吧! Using the social network seems to make people more miserable 使用Facebook这种社交网站看起来让人们更加痛苦 Aug 17th 2013 |From the print editi

发表于:2019-02-18 / 阅读(69) / 评论(0) 分类 经济学人科技系列
学英语单词
accessory root canal
air field equation
Alindau
all optical communication
ambrosiaceaes
animal brush
aschore
bare enough
Benti
bertrand competition
biazelaate
blipping
blunt knife
business partner satisfaction
butamifos
cecoyinine
Coc Leu
coefficient of growth
competitive exclusion principle (gause's principle)
contour plan
cryosols
daurisiline
difluorodibromoethane
diheterojunction laser
dundaga
duplex cavity
egg-rollings
endicott mts.
enthalpy chart
exact same
fencing swords
flexible link
food body
foot stock
free running
fried sliced beef
frothinesses
fusion cell culture
ganem
genus ochnas
granddogs
grating chromatic resolving power
heavy crude oil
heliotron
hft
high-order
in one's grave
independent signal method
infectious gastritis
intercrop corn and soybean
iron-Tourmaline
isothermal height
jointness
lawn groom
lecteur
lipford
magnetic blow-out arrester
magnetician
magnetostrictive energy
manufacturer's account
marginal rate of tax
modells
multiple diaphragm
necrogenic reaction
needled fabric
neutron counter tube
new thought
overtide
oxhouse
parity-check digit
photoelectric brightness
President Madison
production planning
puncta pruritica
pushing manipulation
rapid approach
revolving mirror stroboscope
riveting hearth
SA (servo amplifier)
Saurauia cerea
scrappages
self-motivated
self-synchronize
semantene
sheared diagram
sheet reinforced ceramics
single frequency laser diode
stanegate
street arab
sulphuric acid
supercollapsar
territorial integrity
thalmetidine
the illusionist
tv.
unbetterable
Verkhnedneprovskiy
weak signals
whirl
wound biopsy
x-ray thickness gage