速度谱分析

Back at the explosives lab, examiners use a high-tech instrument called a Raman spectrometer, a device that determines if a package contains explosive material. With the Raman, what we are doing is th

发表于:2018-12-07 / 阅读(137) / 评论(0) 分类 揭秘联邦调查局

Study Says Breath Analysis Can Help in Diagnosing Cancer Lung cancer claims an estimated one and a half million lives each year. But a research team at the Cleveland Clinic and University of Illinois is working to develop a new test that could make d

发表于:2018-12-16 / 阅读(141) / 评论(0) 分类 VOA标准英语2012年(一月)

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(141) / 评论(0) 分类 TED演讲教育篇

BCF(Boot Catalog File,启动目录文件) BIF(Boot Image File,启动映像文件) CDR(CD Recordable,可记录光盘) CD-ROM/XA(CD-ROM extended Architecture,唯读光盘增强形架构) CDRW(CD-Rewritable,可重复刻录光盘) CLV(Constant

发表于:2018-12-18 / 阅读(249) / 评论(0) 分类 英文语法词汇

(LOS ANGELES, AP) Allen Iverson shook up the NBA Finals when he scored 48 points in the opener of the series. (美联社洛杉矶电)亚伦.艾佛森在NBA联赛的第一场比赛攻下48分,震撼NBA的总决赛。 The Philadelphia 76ers stunn

发表于:2018-12-28 / 阅读(149) / 评论(0) 分类 赖世雄英语新闻听力通

This is the second in a 2-part Business English Pod series on presenting a SWOT analysis. A SWOT analysis is a tool that helps companies understand their strengths and weaknesses, while keeping in mind the opportunities and threats they face. In this

发表于:2018-12-31 / 阅读(229) / 评论(0) 分类 商务英语演讲课

In this Business English Pod lesson, we start the first in a 2-part series on presenting a SWOT analysis. A SWOT analysis is a simple but powerful framework for analyzing your companys strengths and weaknesses these are internal to the company as wel

发表于:2018-12-31 / 阅读(233) / 评论(0) 分类 商务英语演讲课

看到助攻,千万不要受汉语思维影响。助攻很简单,一点都不复杂,不信?看外电一段有关小巨人姚明缺席NBA全明星赛的相关报道: NBA Houston Rockets center Yao Ming will not play in next month's National

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 奥运英语

OAM operation administration maintenance OCC other common carriers Ohms Restriction Ohms Restriction is the same as Ohms resistance. Ohms are measures of resistance. A resistance of one Ohm allows one

发表于:2019-01-03 / 阅读(161) / 评论(0) 分类 电信英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Could it be that our understanding of rain was all wet? A new study says that some drops of rain are falling faster than they should be. Which ultimately means that it m

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 Scientific American(六)月

Some call it the hormone of love. Its oxytocin and it helps moms bond with and breast-feed their babies, and even keeps romantic couples content. Now a study suggests that this same hormone might also help people with autismby improving their social

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 Scientific American(二)月

News and analysis from an African American perspective Art Chimes | Washington, DC 19 February 2010 Related Links The Root February is African American History Month here in the United States, and so this week we feature a site that looks at news and

发表于:2019-01-13 / 阅读(169) / 评论(0) 分类 VOA标准英语2010年(二月)

We have to beat that. 我们必须克服它。 We can do it because in space there are no aerodynamics. 我们能够这样做是因为太空里没有空气阻力。 We can go and use inflatable systems for almost everything. 我们几乎总是能够使

发表于:2019-01-18 / 阅读(116) / 评论(0) 分类 TED演讲商业篇

LOS ANGELES, March 10 (Xinhua) -- Blake Griffin finished with 22 points and eight rebounds, Chris Paul contributed 20 points with 14 assists as the Los Angeles Clippers handed the Detroit Pistons 5th straight defeat 129-97 on Sunday. The 129 points w

发表于:2019-02-03 / 阅读(172) / 评论(0) 分类 英语新闻

WASHINGTON, Feb. 19 (Xinhua) -- NBA's Philadelphia 76ers announced Tuesday that their guard Jason Richardson has undergone successful knee surgery. The 12-year NBA veteran, who has not played for a month and will be sidelined for the rest of the seas

发表于:2019-02-04 / 阅读(179) / 评论(0) 分类 英语新闻

1. 市况上扬: The market advances/ gains /rises. 2. 市况下挫: The market declines /falls/loses. 3. 市况活跃: The market booms. The market is excited. The market becomes active. The market becomes brisk. 4. 市况暴跌停滞: The m

发表于:2019-02-06 / 阅读(150) / 评论(0) 分类 天天商务口语

China's unmanned lunar probe Chang'e-5, set to be launched around December 2017, will bring lunar soil samples back to Earth, says Wu Yanhua, deputy chief of the China National Space Administration. 国家航天局副局长吴艳华近日表示,我国

发表于:2019-02-07 / 阅读(105) / 评论(0) 分类 英语新闻

CLEVELAND, Jan. 9 (Xinhua) -- Cleveland Cavaliers' Brazilian center Anderson Varejao will be sidelined in the next two months after it was revealed he needs surgery on his right knee. Varejao suffered the injury during the Cavaliers' 113-99 defeat to

发表于:2019-02-18 / 阅读(192) / 评论(0) 分类 英语新闻

As an overladen Indiaman bearing down the Hindostan coast with a deck load of frightened horses, careens, buries, rolls, and wallows on her way; 如同一只超载的东印度公司贸易船,甲板上装着许多惊惶失措的种马,正在印度斯

发表于:2019-03-10 / 阅读(255) / 评论(0) 分类 白鲸记
学英语单词
absolute incremment
africentrism
agger auriculae
arcus lumbocostalis medialis
arrest on final process
Asian nation
automassage
average paid-in capital
baban
back arc subduction
baily's
be dressed up like a dog's dinner
binding activity
building brick
burnishing-machine
cable categories
caltons
capsule and pill
cell echo
cellodextrin
chemicon
chistorra
conduction of heat
conform with the contract
core plate varnish
cubo-
curlyheads
detail engineering
diaphorus ochripes
drawoff valve
earth shell
ecclesiast
errorless and rippleless system
extricable
eye sex
feet-in-the-door
fire dancer
formal requirement
Fortune knocks once at every man's door
golden chains
graces
gravitational velocity
habronychus (habronychus) nantouanus
Haliri
hardifly
head office general account
heat shielder
heavy damping
heidelberg men
hollar
horsbrughs
husking yield
hydrobiont
hypertensive cerebral symptom
infeasibility
inflectionally
interconnecting main
internal features
isentropism
junquet
lattice vibrational spectrum
lexical analysis
main ridge
marsh revolution
mercury seal pot
milligram-element(radioactive)
multiple action controller
muneration
n-type semiconductor
noise production
noise-to-signal ratio
NW by W
optically thinner medium
pacificoes
parameter analysis
Parexus
Pasteur reaction
premedicate
prestripper
progress bar control
Ribeirão Corrente
San Pascual
scale disc
self-produced
shakeout equipment
single-head scouring-bleaching machine
SMA12/60
snowgun
space hold
sparse graph
sprinkler
startsy
stethoscope transducer
swagger
teething pains
temporalized
transport goods for sale
ubcs
unified memory architecture
valve point curve
Venturi type loader
ymered