【天文学】移动星团视差

In the wake of yet another short-range missile firing by North Korea, US officials now say there are scenes what appears to be increased activity at a long-range missile site. North Korea test-fired its sixth missile this week over strong objections

发表于:2018-12-02 / 阅读(98) / 评论(0) 分类 2009年NPR美国国家公共电台5月

Cluster balloonists tie a bunch of helium balloons to a lawn chair, sit in the chair, cut the anchor rope, and go flying into the wild blue yonder. To land, they cut some of the cords attaching the balloons to the chair. A small group of daredevils h

发表于:2018-12-11 / 阅读(105) / 评论(0) 分类 365个英语简短小故事

SCIENCE IN THE NEWS - Have a Headache? You Are Not Alone. FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. BOB DOUGHTY: And I'm Bob Doughty. Today we tell about headaches, the pain that strikes almost everyone at

发表于:2018-12-16 / 阅读(93) / 评论(0) 分类 2011年VOA慢速英语(五)月

This is scientific American-60 second science,I'm Evelyn Lamb.Got a minute? In our dark of night, he is like one of the newest cosmology discoveries to compound Hubble Telescope.A massive entry galaxy cluster.The air fly covers a feeling normal galxy

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(七)月

By Lisa Schlein Geneva 12 November 2006 A Cluster Bomb Unit, dropped by Israeli warplanes, sits in southern village of Ouazaiyeh, Lebanon, November 9, 2006 A new international treaty aimed at reducing the deaths and injuries from cluster bombs, land

发表于:2019-01-11 / 阅读(128) / 评论(0) 分类 2006年VOA标准英语(十一月)

Have a headache? You are not alone. From VOA Learning English, this is Science in the News. I'm Steve Ember. Today Barbara Klein and I tell about headaches, the pain that strikes almost everyone at some time. Have you had a headache recently? If your

发表于:2019-01-12 / 阅读(102) / 评论(0) 分类 2013年VOA慢速英语(六)月

By Margaret Besheer Beirut 27 August 2006 Lebanese Sobhi Abbas, top, comforts his son Abbas Abbas, 6-years-old, who was injured while playing with a cluster bomb in Blida, on Saturday August 26, 2006 Two weeks ago, a U.N. brokered truce ended 34 day

发表于:2019-01-13 / 阅读(203) / 评论(0) 分类 2006年VOA标准英语(八月)

Hundreds of Thousands of Cluster Munitions Destroyed A new report says governments that joined the treaty banning cluster munitions have destroyed nearly 750-thousand of the weapons since 2008. However, it also says there are credible allegations of

发表于:2019-01-13 / 阅读(113) / 评论(0) 分类 VOA标准英语2012年(九月)

VOA Finds Evidence of Syrian Cluster Bomb Use In Azaz, Syria, in late January, Syrian government forces used what arms experts say is a particularly deadly weapon. Residents say a plane dropped nine large cluster bombs on this neighborhood on the out

发表于:2019-01-14 / 阅读(110) / 评论(0) 分类 VOA标准英语2013年(三月)

Cluster Munitions Have Prolonged Impact Mohamed is 13 years old. Two years ago, he played with a shiny metal object he found outside his home in Benghazi, Libya. He didn't know it was a cluster munition until it exploded. Cluster munitions release sm

发表于:2019-01-14 / 阅读(113) / 评论(0) 分类 VOA标准英语2013年(三月)

读英语,语音语调很重要

发表于:2019-01-18 / 阅读(117) / 评论(0) 分类 英语学习方法

We have integrated into the solution some technology brought over from the Unix side of the house, called Cluster View, which makes it possible to monitor multiple Microsoft Cluster Servers. This is another one of the benefits customers receive from

发表于:2019-01-18 / 阅读(152) / 评论(0) 分类 财富精英励志演讲

SCIENCE IN THE NEWS - Tension, Migraine and Cluster: Getting to the Root of a HeadacheBy Jerilyn Watson Broadcast: Tuesday, December 05, 2006 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special Engl

发表于:2019-01-30 / 阅读(181) / 评论(0) 分类 2006年慢速英语(十二)月

By Lisa Schlein Geneva 16 May 2007 In a just released report Wednesday, Handicap International says hundreds of millions of people worldwide face a daily risk of death or maiming by cluster bombs. Lisa Schlein has more for VOA from Geneva, where the

发表于:2019-02-02 / 阅读(134) / 评论(0) 分类 2007年VOA标准英语(五月)

Oxygen therapy can bring drug-free relief to many Vidushi Sinha | Washington, DC 15 December 2009 A new study shows that breathing pure oxygen can considerably lessen the agony experienced with severe headaches Cluster headaches are described by suff

发表于:2019-02-06 / 阅读(176) / 评论(0) 分类 VOA标准英语2009年(十二月)

According to the Daily Mail on December 1, American daredevil Jonathan Trappe travelled an astonishing 100 miles by flying a cluster of Mexican flag-colored balloon over Mexico with the speeds of 18 to 50 mph. His flight was to celebrate the Mexican

发表于:2019-02-24 / 阅读(318) / 评论(0) 分类 阅读空间

Today is the shortest day of the year for the Southern Hemisphere. In New Zealand, we have nearly 9 hours of daylight today to be exact, 8 hours, 56 minutes and 24 seconds at latitude 43 degrees south. Tomorrow will be 3 seconds longer. Last night wa

发表于:2019-02-25 / 阅读(85) / 评论(0) 分类 新西兰英语

Voice 1 Welcome to Spotlight. I'm Ruby Jones. Voice 2 And I'm Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Soraj Ghulam Habib is a young

发表于:2019-03-04 / 阅读(180) / 评论(0) 分类 环球英语 Spotlight

Parallax is a phenomenon by which we can judge the distance to things just by looking at them. Astronomers use parallax to calculate the distance to stars. Do you need a gigantic computer-based observatory to use it? Not at all. Your finger will do n

发表于:2019-03-06 / 阅读(167) / 评论(0) 分类 英语时差8,16

Parallax 视差就是从有一定距离的两个点上观察同一个目标所产生的方向差异。从目标看两个点之间的夹角,叫做这两个点的视差,两点之间的距离称作基线。只要知道视差角度和基线长度,就

发表于:2019-03-09 / 阅读(145) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
adrenosympathetic syndrome
Aechminidae
agatize,agatise
Aitchison
anti-weld agent
Aphroditus
automation of sending and receiving operation of messages
barbulata
Bonnaz
both-handedness
calcareous concretions
calcuttas
came true
carbonyl disulfide
closed manometer
combustor
consussion fuse
cruelty free
DA converter
depart on
dram.
drury l.
EAP-FAST
encapsulated nerve ending
endogenous pigment
epilesional
esquisse
examing
fingernails
fluoroformol
FRCO
glyodin
green lit
gsc (gland seal condenser)
gular plate (or jugular plate)
Haplosphaera himalayensis
high rented
hold the cards
imposthume
increased bronchovascular shadows
intrinsic ionization
Ishizaka
KICB
left angle
Liriope spicata Lour.
lonchaea minuta
malgovernance
Marconaflo slurry system
megadeath
mekometer
methylnigakinone
monochromatic wave
monochromatophil
Morkov model for speech production
Navashinskiy Rayon
NIPTS
nonpolytheistic
obligate thermophilic bacteria
ophidiophilia
ottoman-era
parallel fault simulation
partitions of logic
photologic synthesizer
Physochlaina praealta
Phytadon
pluffy hair
powerfully
precursive
Puerto Pizarro
radial runout
rate of percolation
resistance voltage
resolution for ground clause
restful
rich fuel mixture
sad-tree
samples drawn
savings ratio
scalar item
serviceabilities
Shina
single photo plotting apparatus
sixun
sprinkling device
Squirrel R.
super-state
tachyarrhythmias
tangential features
tesselar
time-resolved fluorescence
took out on
transfer heat
transportable radionuclide
tridodecylamine(TDA)
us patent
violet-colored
water stable aggregate
Windows Essentials
wonler fatigue test
WWIII
ycomen
zone loading procedure