目标跟踪雷达

Scientists Solve Mystery of Chameleon Eyes 科学家们解决变色龙眼睛的奥秘 Chameleons can move their eyes in different directions, and most scientists thought that meant that each eye worked independently from the other. Scientists in Isra

发表于:2018-12-08 / 阅读(23) / 评论(0) 分类 VOA标准英语2015年(十月)

The Terminal High Altitude Area Defense or THAAD is a missile defense system. It uses missile to stop missiles. And the U.S. has deployed the first components of a THAAD system to South Korea. Why? Because North Korea, which is a rival of both the So

发表于:2019-01-11 / 阅读(48) / 评论(0) 分类 CNN美国有线新闻2017年3月

By Al Pessin Washington 01 September 2006 The U.S. Defense Department says it conducted a successful test of its land-based ballistic missile defense system on Friday. Officials say a missile launched from California intercepted a target missile fro

发表于:2019-01-12 / 阅读(76) / 评论(0) 分类 2006年VOA标准英语(九月)

科学家揭开变色龙眼球独立运动的奥秘 Many fish and birds have eyes on opposite sides of the head, and they seemingly have at any given moment two different pictures of the world around them. But chameleonseyes are slightly bulging so t

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2016年(一月)

US Company Developing Space-Based Plane Tracking 美国公司开发太空基地飞机追踪技术 LEESBURG, VA One of the reasons Malaysia Airlines flight MH370 hasn't been found is because the plane couldn't be tracked continuously over the ocean. I

发表于:2019-01-14 / 阅读(44) / 评论(0) 分类 VOA标准英语2015年(八月)

Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,

发表于:2019-01-19 / 阅读(64) / 评论(0) 分类 世界各地新闻集锦
学英语单词
Acer linganense
administrator in law
albeniz
alepisauruss
Alto Hama
anode target
Antiribosomal
bilas
biological removal
bow woods
broadlooms
broken trend
card count
carries through
cation polarization
centrifugal tension
Chachani, Nev.da
cherry witchess broom
confedering
control discrepancy key
conversation of energy
cost assignment
courtain
crossposts
crumbgrinders
deha
destination mark
discourse
douxes
family Cerambycidae
fiiled incline blade type fan
framboidal texture
frame retrace
frontal branch
full-framer
funicular hernia
gas discharge cell
goldleaf electroscope
gotten stuck in
hand lancing
health care network
hipped end
impalco alloys
incidental to
isodiploterata
johnnie
juxtaposition eye
kollik
KTV lounge
load cards
machinize
magor
Mahommedan
milla
montecino
Nivala
nonproduction bonus
O.A.R.
omegatron mass spectrometer
on the blanket
Onnes, Heike Kamerlingh
operating motor
philagra kuskusuana
poisson solid
post-trader
practice low approach (pla)
prayer meeting
procaviidaes
projectively
quasi-reflexive Banach space
sactibiotic
Saint Lucia Game Reserve
satellite gravimetry
second-level message member
self-checking capability
shaleena
sky-shouting
snotlocker
solid-beam efficiency
special module testing
squallings
Stanford Plateau
subfusc
tamanite (anapaite)
taste cells
tertoma
thermal water
three-speeds
timber drag
total allowance and deduction
tous-les-mois
two-step injection system
type B standard uncertainty
under investments
unfateful
unidentifiable
unpatronizing
vacancy jump
Varoufakis
whip support
Wildeshausen
worm conveyer