[计] 电子束印刷

Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations The waning years advances in computer hardware and software, mechanical devices, sensors and artificial intelligence brought the world another step closer to the robotic future. Electric cars

发表于:2018-11-29 / 阅读(250) / 评论(0) 分类 VOA标准英语2015年(十二月)

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(163) / 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(125) / 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(191) / 评论(0) 分类 Scientific American(九)月

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(161) / 评论(0) 分类 不择手段背单词

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(258) / 评论(0) 分类 2017年VOA慢速英语(十)月

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(225) / 评论(0) 分类 英美文化

Latina Entrepreneur Makes Mark in Printing Industry LOS ANGELES Starting a business is difficult, and women entrepreneurs can face added obstacles. But one woman business owner has found success in an industry dominated by men -- industrial-scale pri

发表于:2019-01-14 / 阅读(207) / 评论(0) 分类 VOA标准英语2014年(十一月)

Laws Slow to Catch Up With 3D Printing WASHINGTON As prices of 3D printers continue to fall, experts are increasingly calling for reconsideration of copyright laws that protect the owners of patents and designs. However, they also warn that overreach

发表于:2019-01-14 / 阅读(148) / 评论(0) 分类 VOA标准英语2014年(四月)

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(237) / 评论(0) 分类 美国习惯用语

[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(264) / 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(159) / 评论(0) 分类 TED演讲教育篇

There are more than 26 thousands casting companies in China, accounting for half of all the global manufacturers of casting products. But the traditional method of handmaking castings is heavily reliant on human resources and energy, and can produce

发表于:2019-01-19 / 阅读(199) / 评论(0) 分类 2018CRI中国国际广播电台

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(185) / 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(178) / 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(156) / 评论(0) 分类 实用英语

An employee carefully scans a man standing still behind two photographic lamps with a gun-like scanner in his hand. The whole process takes approximately 10 minutes. After loading the data into the computer, the rest work is left to the 3-D printing

发表于:2019-02-14 / 阅读(158) / 评论(0) 分类 英闻天下

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(146) / 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(145) / 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(186) / 评论(0) 分类 双语有声阅读
学英语单词
a crying need for sth
a dingdong fight
a sucked orange
agricultural regionalization
Ahlfeld
air powered
anal comb
angular aggregate
antitampering
Bernkastel-Kues
blumenbachite (alabandite)
boron make-up
breech position
butterfly hammer drill
Cervantes Miguel de
chalumeau
classical smog
clear all bookmarks
cloud of the bubble phase
colter drill
comparative static derivative
compound generator
controlled event
Darius III
decemvirs
deteiectability
dischargeth
dressed full with up and down flags
drillette
effective inductance
filter photoelectric photometer
financial-news
flooding therapy
gallium arsenide (GaAs) photodiode
general-purpose bomb
genus Bradypus
Gesellschaft, gesellschaften
glucocorticoids
gomphosphaeria aponina
guarantee value
hassaguays
heteroplanogametes
hollow-ware glass
homonomous hemianopia
hongbin
hydrogen-cooled synchronous condenser
Isomeine
judgement calls
layered medium
legal weight
logging software
lucasville
mare's-nest
median arm
medium-term credit
metal binding finger
Mostardas
mutually independent event
net average static load
nitroparaffin
non-functional sex characters
non-linear model
odontologists
on one's pins
onther
PA-LS-ID
Photo Raytrace renderer
polypseudonymous
ptilinum
punicin
pupu
radiation-equivalent-man
regular observation
relict forms
replacement tendon
reversible weft backed weave
Rhynchosia himalensis
Richardsonius
roof-beams
sangla hill
sheyanne
ship machinery
side boom
side file
SIRF
small sample scattering
spherical manifold penstock
subdivisional work
suffer the last sanction of the law
temperature derivative
there's no accounting for taste
to overlay
Tumbarino, Pta.
ungainsaid
uranias
Vaudremer's tuberculin
Verneuil's method
vexations
weeping rivet
white fingers
with a capital A
Yamaguchi- gumi