带电粒子在回旋加速器上的旋转

SCOTT SIMON, HOST: We check in each month with music maestros in public radio. Here is a sample of what they're currently playing in heavy rotation. BILL DEVILLE: I'm Bill DeVille, one of the deejays at The Current in St. Paul, Minn. And my pick is a

发表于:2018-12-02 / 阅读(220) / 评论(0) 分类 2017年NPR美国国家公共电台4月

诸多线索综合起来为我们描绘出一幅画面:那是火星遥远的过去,那时的火星还有着一层厚厚的大气层,令这颗星球温热暖和,从而使水能够在火星表面流淌。但如今,地表的水消失不见,而

发表于:2018-12-07 / 阅读(180) / 评论(0) 分类 60秒科学

AS IT IS 2016-01-01 Trending Today: Mother of 'Affluenza Teen' Charged This is What's Trending Today.... U.S. officials have charged the mother of a young man known in the media as the Affluenza teen. Tonya Couch and her son, Ethan, allegedly fled to

发表于:2018-12-16 / 阅读(136) / 评论(0) 分类 2016年VOA慢速英语(一)月

The rotation construction of two sections of a giant super-tonnage bridge on the Shantou-Kunshan highway in China's Guangdong Province has been completed on Friday morning. The two sections of the bridge also span across the Beijing-Guangzhou high-sp

发表于:2018-12-24 / 阅读(182) / 评论(0) 分类 2018CRI中国国际广播电台

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

发表于:2019-01-02 / 阅读(315) / 评论(0) 分类 (科普英语)Earth and Sky

United States officials have accused 33 people of criminal activity, including stealing 4,500 kilograms of chocolate and a murder for hire plot. Murder for hire is when someone offers to pay an individual to kill another person. Federal law enforceme

发表于:2019-01-02 / 阅读(138) / 评论(0) 分类 2017年VOA慢速英语(六)月

Rob: Hello I'm Rob. Welcome to 6 Minute English. I'm joined today by Finn. Hello Finn. Finn: Hello Rob. Rob: In this programme we're talking about a serious problem that has been affecting some of the big cities in China: that's air pollution. Finn:

发表于:2019-01-07 / 阅读(147) / 评论(0) 分类 六分钟英语

The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away

发表于:2019-01-08 / 阅读(175) / 评论(0) 分类 Scientific American(十)月

By Roger Wilkison Bangkok 23 July 2007 Thai police have arrested and charged six people following a protest against last year's military coup that turned violent Sunday night, and they say more arrests are likely. From Bangkok, Roger Wilkison reports

发表于:2019-01-11 / 阅读(216) / 评论(0) 分类 2007年VOA标准英语(七月)

Lawyers for detained Burmese democracy leader Aung San Suu Kyi says she is being charged with violating the terms of her house arrest and will soon face trial. The charges appear related to an American man who also faces charges for sneaking into he

发表于:2019-01-13 / 阅读(174) / 评论(0) 分类 VOA标准英语2009年(五月)

Scientists around the world predict that climate change will have dramatic effects on agriculture in the coming decades. So, too, will pests and pesticides, the loss of species and the need to increase food production for a growing population. Resear

发表于:2019-01-14 / 阅读(190) / 评论(0) 分类 VOA标准英语2010年(十)月

Study: Upper-Atmosphere Particles Slow Pace of Global Warming A recent study finds tiny particles suspended high in Earths atmosphere are having a greater impact on global climate than previously believed. The airborne particles, known as aerosols, a

发表于:2019-01-14 / 阅读(139) / 评论(0) 分类 VOA标准英语2011年(八月)

SCOTT SIMON, HOST: Time for our monthly check in with music masters who are not BJ Leiderman - who writes our theme music - public radio DJs with what they play in Heavy Rotation. NICK BRUNNER, BYLINE: My name is Nick Brunner. I am the host of Hey Li

发表于:2019-01-16 / 阅读(219) / 评论(0) 分类 2017年NPR美国国家公共电台7月

MELISSA BLOCK, HOST: Time to take the temperature of music on public radio stations across the country this month. Well, it's hot. Here's what the music mavens have put into Heavy Rotation. JESSE MENENDEZ, BYLINE: My name is Jesse Menendez. I'm a hos

发表于:2019-01-17 / 阅读(223) / 评论(0) 分类 2017年NPR美国国家公共电台6月

Well, the story of the earth spin goes back all the way to the origin of the solar system, four and a half billion years ago. The solar system started out as a cloud of gas and dust. And these gas and dust clumped together to form the sun and the var

发表于:2019-01-22 / 阅读(160) / 评论(0) 分类 自然百科2009年

The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible, because it's protected by the magnetosphere, an invisible force field that cocoons the planet. But new evidence reveals that this vit

发表于:2019-01-22 / 阅读(154) / 评论(0) 分类 自然百科2011年

[HoopsHype]Would Yi Jianlian be a rotation player in the NBA these days? 63% say no. HoopsHype推特上的调查:易建联现在能在NBA成为轮换球员吗?63%的人说不能。 For me, Yi is in the same situation as Rudy Fernandez who left to

发表于:2019-02-07 / 阅读(200) / 评论(0) 分类 英语新闻

If you thought Russia's recent efforts to prevent rain in the sky from dampening holiday spirits represented the ultimate in scientific stage management, you ain't seen nothing yet. 如果你认为俄罗斯最近为了阻止雨水毁掉节日氛围的努

发表于:2019-02-09 / 阅读(173) / 评论(0) 分类 实用英语

WASHINGTON, March 22 (Xinhua) -- Robert Bales, the U.S. soldier suspected of killing 17 Afghan civilians, is to be charged with 17 counts of murder, U.S. media reported Thursday. ABC news reported on its website that Bales will also be charged with s

发表于:2019-02-16 / 阅读(196) / 评论(0) 分类 英语新闻

Certainly there is no shortage of energy in the world above our heads. One thunderstorm, it has been calculated, can contain an amount of energy equivalent to four days' use of electricity for the whole United States. In the right conditions, storm c

发表于:2019-02-25 / 阅读(157) / 评论(0) 分类 万物简史
学英语单词
acceptingness
aduantage
Akpatok I.
alluvial deposits
anatomical dead space volume
antiparasitin
assignational
Ban Nong Pho
begorra(h)
biftecks
Cable television
Cao Duong
capillary tube hypotheses
center cracked panel specimen
characterological
chinese land-tortoise
circuit non-repetitive peak reverse voltage
circular arc gear pair with small teeth difference
classical economic school
clay vessel
coefficient of closeness
cofferfish
compensation financing
composite bundles or bales of goods
computer management association
computer operations facility
Cordaitaceae
cotton wool
dammed
data flow model
Delille
dithiothreitol
double-jgroove
double-row single-direction thrust ball bearing
epistomatic leaf
equatorial pedocal
error probability
Etopophoso
ex ante and ex post analysis
federated query
fender anti squeak
feudal aristocracy
General Cabrera
genus escherichias
Haigspeak
haulage system
heterakis gallinarum
high-domed
I thought as much
iannone
ilesite
inductive kick
isiganeite
isosafrol
jobbing chases
jointed build
Karamifen
kid-stakes
kottman
land abutment
larruppings
lead ratio
linear delay unit
locking rail
Lubicon L.
lymphonodi cevicales profundi caudales
most-to
new-and-improved
nonderivable
nonterminal node of tree
offshore survey
oil patch
paleoart
phosphorise
photoseter
phytotoxylin
pneumatic high-speed beetle
podophyllum peltatums
port-area
pseudomaretia alta
psychomotor objective
pulsation mode
radioprotective
reconnaissance permit
relative partial free energy
satieties
self locking action
silhydrite
small end bushing
soap operas
spinae trochlearis
spongy urethra
standard application
t-ach
tendable
teubers
thoracic local eminence
three-four
virtual universe
wild chamomiles
ximenic acid