电子轨迹标绘器

efficiency-效率,功效 elaborate -精心计划的,详尽的 elastic -橡皮圈,松紧带 elbow -肘,肘部 elderly-较老的,年长的 elect -选举,推举 electrical -电的,电气科学的 electron-电子 electronic -电子的 elegant -优美的,文雅的 element -元素,要素 elementary-基本的,

发表于:2018-11-29 / 阅读(540) / 评论(0) 分类 用mp3背四级单词

16. The coming of the railways in 1830s____ our society and economic life. A. transformed B. transported C. transferred D. transmitted economy 经济 economic 经济的 economical 节俭的 economics 经

发表于:2018-12-01 / 阅读(556) / 评论(0) 分类 新东方赵丽词汇课堂

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

发表于:2018-12-07 / 阅读(608) / 评论(0) 分类 英文杂志-Magazine

OK, great, we smell vibrations. How? All right? 好吧,我们闻到的是震动。怎么闻到呢? Now when people ask this kind of question, they neglect something, which is that physicists are really clever, unlike biologists. 当人们问这个问

发表于:2018-12-19 / 阅读(439) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(514) / 评论(0) 分类 Scientific American(九)月

今天我们要学的词是 trajectory。 Trajectory的意思是轨迹、轨道,President Trump told reporters after his speech at the UN general assembly that he hopes there would be the same trajectory for Iran as the U.S. has had with North Kore

发表于:2018-12-30 / 阅读(364) / 评论(0) 分类 英语单词荟萃

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

发表于:2019-01-03 / 阅读(542) / 评论(0) 分类 2017年VOA慢速英语(十)月

Prosecutors in Ethiopia are seeking the death penalty for 40 people found guilty of conspiring to overthrow the government Peter Heinlein | Addis Ababa 24 November 2009 Prosecutors in Ethiopia are seeking the death penalty for 40 people found guilty

发表于:2019-01-14 / 阅读(576) / 评论(0) 分类 VOA标准英语2009年(十一月)

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的 橡皮图,松紧带 肘,肘部 较老的,年长的 [1:2.6076]elect electrical electron选举,推选 电的,电气科学的 电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

发表于:2019-01-16 / 阅读(641) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(463) / 评论(0) 分类 TED演讲教育篇

AGRICULTURE REPORT December 17, 2002 — Irradiated Meat This is the VOA Special English Agriculture Report. The United States government has approved methods of destroying bacteria in meat by using r

发表于:2019-01-30 / 阅读(598) / 评论(0) 分类 农业与发展

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(507) / 评论(0) 分类 英文语法词汇

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(500) / 评论(0) 分类 实用英语

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

发表于:2019-02-05 / 阅读(445) / 评论(0) 分类 实用英语

By Selah Hennessy London 04 November 2009 In this video image, Simon Mann talks to reporters in a courtroom following his pardon by the government in Malabo, Equatorial Guinea, 03 Nov 2009 A British man who was part of a failed plot to overthrow the

发表于:2019-02-12 / 阅读(445) / 评论(0) 分类 VOA标准英语2009年(十一月)

As physicists built bigger and more ambitious machines, 随着物理学家建造越来越大、越来越雄心勃勃的机器, they began to find or postulate particles or particle families seemingly without number: 他们开始或推断出似乎永无

发表于:2019-02-17 / 阅读(428) / 评论(0) 分类 万物简史

What this means in practice is that you can never predict where an electron will be at any given moment. You can only list its probability of being there. In a sense, as Dennis Overbye has put it, an electron doesnt exist until it is observed. Or, pu

发表于:2019-02-17 / 阅读(439) / 评论(0) 分类 万物简史

Finally, in 1926, Heisenberg came up with a celebrated compromise, producing a new discipline that came to be known as quantum mechanics. At the heart of it was Heisenberg's Uncertainty Principle, which states that the electron is a particle but a pa

发表于:2019-02-17 / 阅读(504) / 评论(0) 分类 万物简史

Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom

发表于:2019-02-17 / 阅读(469) / 评论(0) 分类 万物简史

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(511) / 评论(0) 分类 双语有声阅读
学英语单词
3-Epiberscillogenin
action pulse
administrative programme
air conditioning equipment
angekok (greenland)
arseno-methane
auroes
Avanashi
bank account number
Bingfeng (SI12)
borasque
bpiegler's tumors
bracketarm
bulge bracket
by authority of law
cable-stayed bridge
Cagan's adaptive expectations model
calcium hydrogen phosphate
canonical topology
casarola
character change
chateau chinon
clonal expansion
colo(u)r fastness to organic solvents
conditional sand
crazy-pavings
crime of aggressive war
decomposition in sealed vessel
degree of periodicity
determination of carbon monoxide
dibutoline sulfate
differential shunt motor
disopyramide
economy rate
electionline.org
ester condensation
exhaust stroke
FET
fodderbeet
frozen meat breaker
gevalt, gevald
ginseng nugrsery
glomus microcarpum
Guandian Age
Hedysarum sikkimense
holidayfics
hsst
hull projection
interlocked film wind and shutter mechanism
jet fuel thermal oxidation stability tester
legislative immunity
leysen
Little Phoebe
lpp
man in the hay
Mangifera L.
mbari
month of stock table
nothingarians
obese shr(spontaneously hypertensive rat)
Octatensin
octave clef
odontiasis
olfactory nerve
on the town
pagano
paid rent
percussion hammer firing mechanism
personal union
pharyngotympanic canal function tester
physarum nutans
plant location programming
plate and flicker distributor
pole type
post-office box numbers
predicted volume of traffic
primary system for determination of reference equivalent
Procapra
programmable breakpoint
progressive provisioning
quote for
remoldable
reverse x ray effect
RTI (Relative Toxicity index)
sacrococcygeal liaments
saffere
satsuma paiwanis
scale scar
Scalfari
segmental polypoid
self-employed person
semiquaver
service initiator
sippy
Sorel, Geoges
spermatic ducts
ST_time_until-a-particular-moment
takes the advantage of
Tera-shima
Tull
turborocket power plant
Zeta-cypermethrin