激光角反射体

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(264) / 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(134) / 评论(0) 分类 VOA常速英语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(120) / 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(101) / 评论(0) 分类 VOA标准英语2014年(二月)

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(132) / 评论(0) 分类 Scientific American(四)月

[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(141) / 评论(0) 分类 新标准小学英语第五册(三年级起点)

据《科学》杂志报道,苏联的月球车40年前在月球表面留下了激光反射器,虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日,一组物理学家终于发现了来自反射器的微弱闪

发表于:2019-01-02 / 阅读(163) / 评论(0) 分类 60秒科学

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(131) / 评论(0) 分类 2017年VOA慢速英语(七)月

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(136) / 评论(0) 分类 电信英语

今天我们要学的词组是turn the corner。 Turn the corner是出现好转,渡过难关的意思。伊拉克的局势让美国总统布什在国内备受压力。媒体报道说, Congressional leaders give President Bush a matter of months t

发表于:2019-01-07 / 阅读(114) / 评论(0) 分类 英语单词荟萃

[00:00.00]Unit 3_top 1 [00:14.07]第三单元 第一部分 [00:28.13]My name is Mike. [00:29.43]我的名字叫迈克。 [00:30.72]talk [00:30.76]谈论 [00:30.79]about [00:32.59]关于 [00:34.40]ask [00:36.04]请问 [00:37.69]sure [00:39.19]肯定 [

发表于:2019-01-07 / 阅读(235) / 评论(0) 分类 北京仁爱英语

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(202) / 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(204) / 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(180) / 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(151) / 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(233) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e

发表于:2019-01-19 / 阅读(162) / 评论(0) 分类 2016CRI中国国际广播电台

Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst

发表于:2019-01-22 / 阅读(124) / 评论(0) 分类 英文短篇故事(纽约)

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(152) / 评论(0) 分类 VOA常速英语2007年(十一月)

The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for

发表于:2019-02-21 / 阅读(174) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
abutment coping
acervatio
aconite
aggressivenesses
amiota (phortica) variegata
anharmonic curve
antecedent temperature index
attaching clamp
automated data medium
Barach's index
batimastat
batteried
be pulled out from the ground
belt track slip transducer
bioelectricity
Braque
Bridgman method
buch
canonically-labelled tree
cheek it
cold-molding
conformity of document
Cryptotermes
current length
cutinises
decampment
DTO
echinopora gemmacea
electric shocking rammer
electrogas automatic signal
encyrtids
endothelialising
eschweilera
eternal verity
ex-all
Faneromeni, Akra
filling piece
flap scheduling
funnel erosion
generator stand
guyed steel stack
Halle-Booienhoven
Hanthorpe
hauksbee
horizontal epitaxial reactor
ideal basis
incunabular
Jernrhodonit
Jiffy (book) bag
Kulla Gunnarstorp
laminated plastic
Laurie R.
light-emittingdiode
magnet decision element
Matusevich Glacier
mephine
meter-kilogramsecond system
newbigins
noise-velocity law
nonoption
not worth a hoot
Nottoway County
optical fiber gas sensor
optics electron
orientating accommodative apparatus
original check
part load characteristics
PDLL-D
plumbous chloride
postcodes
purchasing power parity doctrine
puscs
reciprocal tariff reductions
repeatable
s own
Santo Eduardo
second kind oxidation-reduction electrode
self canalization
self-acting brake
seven-parts
shell cover
solar boiler
Sorbus sargentiana
sounded off
source data structure
stand up to one's lick lick-log
stocking up
stop the press
taste tester
terpinolenes
track logging report
tralomethrin
unhoarding
unitarily equivalent self-adjoint operator
urban clearway
veratrole
voluntary control of fertility
westgren
working lines
Yme1p
zygology