中红外二极体雷射

以字母O开头英语绕口令: 1.On a lazy laser raiser lies a laser ray eraser. 1.在一个反应迟钝的激光器上放了一个激光消除器。 2.Old oily Ollie oils old oily autos. 2.油腔滑调的奥利给老油汽车抹油。 3.One-One

发表于:2018-12-03 / 阅读(266) / 评论(0) 分类 英语绕口令大全

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(141) / 评论(0) 分类 VOA常速英语2008年(四月)

auxiliary anode 辅助阳极 auxiliary grid 辅助栅极 auxiliary jack 辅助塞孔 auxiliary memory 辅助存储器 auxiliary signal 辅助信号 auxiliary transmitter 备份发射机 available powe

发表于:2018-12-08 / 阅读(133) / 评论(0) 分类 电信英语

1. A judge has found 3 New York Police detectives not guilty in the shooting death of an unarmed man. The officers shot Sean Bell 50 times just hours before his wedding. Rev. Al Sharpton has called for a federal investigation. 2. An eight-mile stretc

发表于:2018-12-15 / 阅读(178) / 评论(0) 分类 美联社新闻一分钟2008年(四)月

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(125) / 评论(0) 分类 2013年VOA慢速英语(二)月

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

发表于:2018-12-16 / 阅读(111) / 评论(0) 分类 VOA标准英语2014年(二月)

New Laser Heals Wounds Faster, Without Scarring 新激光治疗伤口好的更快且没有疤痕 All surgical patients want their wounds to heal quickly with the least possible scarring. But traditional stitches, clips and more modern chemical glues

发表于:2018-12-16 / 阅读(91) / 评论(0) 分类 VOA标准英语2015年(四月)

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(121) / 评论(0) 分类 2015年Scientific American(一)月

Conversation 1 A: They are state-of-the-art computers. Would you like to see how it works? A:这些是最尖端的电脑。您想看看它是如何操作的吗? B: Yes, please. B:好的,麻烦你了。 A: OK. Let me just have it all set up in

发表于:2018-12-25 / 阅读(108) / 评论(0) 分类 最In导购口语

[00:00.00] MODULE THREE [00:13.84]Research [00:15.78]Unit one [00:19.96]I'm looking for information. [00:23.04]1.Look,listen and learn [00:33.99]A:Come here, Lingling. [00:36.81]Mum has bought a new computer for us. [00:40.15]This is the keyboard. [0

发表于:2018-12-29 / 阅读(144) / 评论(0) 分类 新标准小学英语第五册(三年级起点)

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(136) / 评论(0) 分类 2017年VOA慢速英语(七)月

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(159) / 评论(0) 分类 英文名句短语

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 Scientific American(三)月

Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(六)月

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(212) / 评论(0) 分类 2005年NPR美国国家公共电台

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(184) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(158) / 评论(0) 分类 2012年VOA慢速英语(一)月

[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6

发表于:2019-01-16 / 阅读(238) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(161) / 评论(0) 分类 VOA常速英语2007年(十一月)

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(149) / 评论(0) 分类 经济学人科技系列
学英语单词
afterburner efficiency
Avu, L.
bad spot
barleymow
brake chamber push rod spring
carbiss
carvinton
causal message logging
center column type modular machine tool
chemical gypsum
clathrin lattice
coercive boundary conditions
collection area
colpoovariectomy
complex haptene
condition resolutoire
control sequence introducer
counterpropagation
depulse
derpy
diopside syenite
directoscopy
disrated
dutro
Eagle Point
electric automatic time release
electric induced line
environmental wind
fair - weather friend
fibre strength
Fluamine
fluoracyl fluoride
Ford Madox
fossil anomaly
frat-boier
freeze sb's blood
ganggyeong (kanggyong)
Gaussian operations
gear box breather
gene within gene
generi
grading tool
ground pick
held that
household refrigerator
hunkiness
joseph emerson worcesters
kapiolani
Khar'yakha
Kobelyaky
layer stripping
LeapFTP
locally finite category
Lolard
long-tailed pangolin
lycias
milutin
missile system checkout program
mixed current
modifier command
molybdenum nickel magnesium chilled iron roll
oakie
Odovakar
offset upsetting
Ojén, Sa. de
pagiopoda
pfefferkorn
picklock
prenylnaringenin
promethium(Pr)
PsLogList
public agency
ransom bill
re-computed
reburnishing
rotate in office
samaric nitrate
scoop tube losses
secondary ninth
secretory lg A
sewer flushing
sharp spray
silt coal
skiing goggles
solution filter pump
solutizer treating process
stress-intensity factor range
superuniversal
Tamil Tigers
tax ferret
the fifth discipline
Trail your coat
trans-8-ethyl-10-phenyldehydrolobelionol
Transfer orbit.
tripinnately compound leaf
truantest
ultimate design resisting moment
usb keyboard support
vena arcuata
water driven centrifuge
x-ray fluorimetry
Yeadon