轨道变形

Computer Simulations Might Predict Future Earthquakes 电脑模拟能够预测未来地震 Geologists say they knew a large earthquake was coming in South Asia, but they did not know when. The Himalay

发表于:2018-12-08 / 阅读(180) / 评论(0) 分类 VOA2005(下)--环境科学探索

Leading the news this morning It seems Labor's woes aren't only confined to Queensland.The latest news poll shows the gap between the two parties preferred vote has widened to 14,with coalition sitting on 57%.The ALP's primary vote has slipped three

发表于:2018-12-11 / 阅读(151) / 评论(0) 分类 澳洲ABC新闻快递2012年

今天我们要讲的一个美国习惯用语是:To keep track。To keep track的意思是了解或关注某人的活动或是某件事的进展。 比如说,同学们从学校毕业后都各奔东西,大家往往就失去了联系。时间越长

发表于:2018-12-16 / 阅读(202) / 评论(0) 分类 美国习惯用语

I'm John Berman, sitting in for *, welcome to the 360 podcast. Convicted of trying to kill three people but not actually killing a fourth. Michael Doug raise a justice. Let's get started. It was a shocking crime. It started as a disagreement over lou

发表于:2018-12-19 / 阅读(158) / 评论(0) 分类 CNN2014年(二)月

Every two weeks, on the full and new moons, the sun, moon and Earth fall along a nearly straight line. The combination of gravitational forces in this arrangement creates large swings in the tides. But the celestial alignment affects more than the oc

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 2016年Scientific American(九)月

...Africa. The African plate has been drifting north over millions of years. And when it pushes against the European plate, huge fold s of rock have been forced up and over one another into great moun

发表于:2019-01-02 / 阅读(254) / 评论(0) 分类 欧洲自然写真

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(209) / 评论(0) 分类 Scientific American(十二)月

By Gilbert da Costa Abuja 27 June 2006 Lawal Manesara who is a polio victim rides on a skate board along a street of Lagos, Nigeria Nigeria is to launch an ambitious immunization strategy to halt the spread of polio in Africa's most populous country

发表于:2019-01-13 / 阅读(219) / 评论(0) 分类 2006年VOA标准英语(六月)

The deputy head of Ingushetia's Supreme Court has been shot dead in the latest incident of violence to hit Russia's troubled Caucasus region. The assassination of Justice Aza Gazgireeva follows a recent high profile killing in neighboring Dagestan,

发表于:2019-01-13 / 阅读(142) / 评论(0) 分类 VOA标准英语2009年(六月)

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(170) / 评论(0) 分类 VOA标准英语2010年(十)月

CD 2 Track 23 图片1

发表于:2019-01-15 / 阅读(176) / 评论(0) 分类 标准美语发音的13个秘诀 CD2

This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute? How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Mil

发表于:2019-01-20 / 阅读(179) / 评论(0) 分类 2014年Scientific American(八)月

How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th

发表于:2019-01-20 / 阅读(149) / 评论(0) 分类 2014年Scientific American(八)月

How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th

发表于:2019-01-20 / 阅读(177) / 评论(0) 分类 2014年Scientific American(八)月

1. Russians 1、俄罗斯人 Scientists still cannot agree on their origins and answer the question when Russians became Russian. The ancestry of Russians were sought among Normans, Scythians, and Sarmatians, and even the South Siberian Usuns. 俄罗斯

发表于:2019-02-01 / 阅读(145) / 评论(0) 分类 阅读空间

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(225) / 评论(0) 分类 VOA常速英语2008年(二月)

The Zika virus outbreak in Latin America could be a bigger threat to global health than the Ebola epidemic that killed more than 11,000 people in Africa. That's according to several public health experts who spoke with the Guardian and Examiner newsp

发表于:2019-02-08 / 阅读(186) / 评论(0) 分类 英语新闻

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

发表于:2019-02-15 / 阅读(225) / 评论(0) 分类 实用英语

本期内容: The World Health Organisation warned that Zika, a mosquito-borne virus linked to brain deformation in human fetuses, is likely to spread to every country in the Americas except Canada and Chile. Brazil has reported 3,893 cases of micr

发表于:2019-02-20 / 阅读(163) / 评论(0) 分类 夏说英语新闻晨读

英语单词快速记忆法丛书(2)

发表于:2019-02-26 / 阅读(527) / 评论(0) 分类 英文语法词汇
学英语单词
abelia
acceleration anode
Aeschynomene
amorim
Angle band
anisotropic magentoresistance (amr)
Anoectochilus chapaensis
ant-c
arctic front
astroglide
be noted as
blind portion retina
brothel keepers
BSSO
calc aphanite
Cavergno
challoir
clonalities
Cortinarius violaceus
cotter key
crimes against social administration
crinklier
Dataphone Digital System
detechnicalized
don't bother me
e-security
Elaeocarpaceae
embrocated
enclosed medium
even number train
f-ings
field protected
flexible take-off (fto)
flouncingly
flush
frigorie
front end loaders
fuel element building
fuel rod coating
fund cost
gofs
Gwabegar
heath-bell
heeling rudder
home improvements
infomediaries
Isachne globosa
juntas
kata-thermometer
lever weigth
load cable
Lysimachia physaloides
Management Best Practice
material quantity control
meadow land
megestrol acetate
membrane responsive curve
memory cards
mesohydrophyte
Muller Creek
multideity
musack
navicula robertsiana
nonallergy
normalized covariance
normally energized stick relay
nows
orange-bellied
overseas market development reserve
pedophilia
pericardiac branch
pitch indicator
pneumatic rammer
point the bone
pot car
production department expenses
radiation protection officer
respilyser
rosin flux
rotary harrow heating element
sabaliter
sand-flat
senile blepharochalasis of upper eyelid
sharp wind
solid image microscope
stichaeids
supplementary layer of felt
SUROBS
talk-listen button
test data recorder
text editing
three-beam
transient-divided reset
tribenzoylmethane
u.v.b.y. system
ultrafashiinable
umblication of lens
utma
virtual safety dose
water soluble inorganic substance
wooden double block