激光校准的

President Obama expressed regret today for saying the Cambridge police acted stupidly when they arrested Harvard Professor Henry Louis Gates last week. NPR's Scott Horsley has more. The President spoke by telephone with the police sergeant who arres

发表于:2018-12-02 / 阅读(146) / 评论(0) 分类 2009年NPR美国国家公共电台7月

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(149) / 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(134) / 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(118) / 评论(0) 分类 VOA标准英语2014年(二月)

From NPR News in Washington, I'm Craig Windham. President Obama has nominated Republican governor Jon Huntsman of Utah to be the next US ambassador to China. Huntsman has a strong background in Asia, including a stint as ambassador to Singapore. He

发表于:2018-12-17 / 阅读(119) / 评论(0) 分类 2009年NPR美国国家公共电台5月

ATTENTION PLEASE! Can I have your attention? Some attention if you dont mind? If you could listen? Dont throw things, listen please? Please? ATTENTION, PLEASE? Thank you. Scott McKenzie settled on his bar stool and looked out at his team of eight sta

发表于:2018-12-31 / 阅读(117) / 评论(0) 分类 有声英语文学名著

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(149) / 评论(0) 分类 2017年VOA慢速英语(七)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(219) / 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(203) / 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(171) / 评论(0) 分类 2012年VOA慢速英语(一)月

THE ocean is dark and full of terrors, and the black dragonfish is the darkest of them all. 海洋中充满黑暗与恐惧,黑色的深海龙鱼是其中最黑暗的生物。 Its surface, new measurements reveal, is as black as the blackest materia

发表于:2019-01-26 / 阅读(159) / 评论(0) 分类 经济学人科技系列

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(175) / 评论(0) 分类 VOA常速英语2007年(十一月)

Phones are gradually replacing a large number of everyday items and the latest household gadget under threat is the weighing scale. 手机逐渐取代我们生活中很多东西。而目前受到威胁的东西就是称。 Huawei recently unveiled a

发表于:2019-02-08 / 阅读(141) / 评论(0) 分类 英语新闻

I realized that, as I worked on improving AI task by task, dataset by dataset, 我了解到,当我努力在改善人工智能,一个任务一个任务、一个数据集一个数据集地改善, that I was creating massive gaps, holes and blind

发表于:2019-02-08 / 阅读(165) / 评论(0) 分类 TED演讲科技篇

SINGAPORE, Oct. 10 (Xinhua) -- A Singapore start-up firm has devised an innovative application to allow phone users to have access to their positioning information within buildings, where traditional global positioning system has often proved inaccur

发表于:2019-02-18 / 阅读(139) / 评论(0) 分类 英语新闻

UNITED NATIONS, Oct. 23 (Xinhua) -- UN Secretary-General Ban Ki-moon said on Friday that he was profoundly troubled by what he witnessed on his just-completed visit to the violence-wracked Middle East, voicing fear that the tensions have the potentia

发表于:2019-02-19 / 阅读(154) / 评论(0) 分类 英语新闻

And I just look at this, and I think, yes, 看到这些,我想,是的 we could take that so much further by allowing people to set targets 我们能可以把它带到更广阔的境界,以让人们去设定目标的方式 by setting calibrated

发表于:2019-02-21 / 阅读(140) / 评论(0) 分类 TED演讲教育篇

The first one is very simple: experience bars measuring progress 首先看一个简单的:用经验值条量度进程 something that's been talked about brilliantly by people like Jesse Schell earlier this year. 它曾经被人精彩地讨论过,比

发表于:2019-02-21 / 阅读(125) / 评论(0) 分类 TED演讲教育篇

Now, I could make a game called Piecraft, 现在,我可以做一个游戏名为《馅饼争霸》 where all you had to do was get a million pies or a thousand pies. 在里面你要做的所有事就是得到一百万个馅饼或者一千个馅饼 T

发表于:2019-02-21 / 阅读(133) / 评论(0) 分类 TED演讲教育篇

However, for reasons unknown he calibrated the instrument in a way that put freezing at 32 degrees and boiling at 212 degrees. From the outset this numeric eccentricity bothered some people, and in 1742 Anders Celsius, a Swedish astronomer, came up w

发表于:2019-02-25 / 阅读(141) / 评论(0) 分类 万物简史
学英语单词
active reserve system
adenocarcinoma of laryngeal ventricle
aeolian dune
alligator weeds
alpha-BHC
amylopullulanase
an slurry
an-hand
bemirror
bicycle pedal
bilitrien
binary chain
boggart
brown onions
Calamus bonianus
Camellia parvipetala
churen himal
closed-cell foam
dairy feed
delocalizings
dig and delve
discontinuity of defect
doren
dovetail feather
dystimbria
electrical energy meter
electrotransformation
endothecal dissepiment
excessive disagreement
explainin'
gapicomine
gynaecoid
hacking and spreading machine
had egg on my face
helicomyces ambiguus
hepaticoduodenostomies
imperfect pistil
interbasin area
Jalance
katryna
lower standard
lucchese
M star
maculatums
made history
mamma-yaw
meal pennant
misogamies
mortgage instrument
multi-section dfb-lasers
near-money
nonoccupiers
nonviolent
noyse
offensive array
omar
Opisthopappus longilobus
output of heat
paluli
photochromo lithography
polyhedrane
priestal
primary deviance
program network fee
programmed automatic communication equipment
protohematin
pseudacromegaly
pseudocapillitium
pustulosus
reciprocal function of linear factor
relighter flame safety lamp
rennes-le-chateau
ruling wage
ruthenium(i) iodide
sailor's room
Schmidt lines
some ole
special purpose channel
spectral pattern
spinellane
sportaholics
square chest
squareman
steam trap
steel-frame structure
subject bibliography
taxpayer personally filing returns
tetan
Theogen
tianming
Tsamantas
Tutovei, Colinel
two pence
UK gallon
universal gravitation constant
vacuum chambers
visual art
wasiks
weather log
witchlike
Zazir, Oued
zero-signal