时间:2019-01-07 作者:英语课 分类:科技之光


英语课

SCIENCE REPORT

January 31, 2002: Hubble Improvements 1


By Paul Thompson



1993 service flight
This is the VOA Special English Science Report.


American space agency 2 astronauts will soon replace much of the equipment in the Hubble Space Telescope. The
new equipment will help the Hubble produce much more information than it can today.


NASA plans to launch 3 the Space Shuttle Columbia from the Kennedy Space Center in Florida on February
twenty-eighth. It will carry seven astronauts on an eleven-day flight to provide service to the Hubble Space
Telescope.


The Hubble was designed to permit astronauts to take it apart and replace old or broken equipment with newer
technology. More than ninety percent of its parts are designed to be replaced.


Columbia’s astronauts will replace Hubble’s camera with a new, advanced system. It
will permit the space telescope to do ten times the amount of work it can do now. The
new camera is called the Advanced Camera for Surveys or A-C-S.


The A-C-S is three different cameras. Each deals with different kinds of light. The
cameras can see and record light that the human eye can not see.


The Hubble will also receive new equipment that permits it to make electric power from
sunlight. The device 4 will replace an older one that has been in use for eight years. The
new device will increase Hubble’s electric power by thirty percent.


Astronauts also will replace the device that controls Hubble’s electric power. The new power control device
will permit Hubble to use the added power.


Astronauts will also repair an instrument called the Near Infrared 5 Camera and Multi-Object Spectrometer. They
will replace the camera’s cooling system. This special camera was placed on the Hubble in Nineteen-Ninety-
Seven. It stopped working two years later after its cooling device failed.


NASA hopes the new cooling device will be able to provide the extremely cold temperatures needed by this
special camera. They also hope to extend 6 the camera’s working life by several years.


Since its launch in Nineteen-Ninety, the Hubble Space Telescope has made more than three-hundred-thirtythousand
scientific observations of distant objects in space.


It has observed more than twenty-five -thousand space objects. And it has provided 7 scientific information that has
helped researchers produce more than two-thousand-six-hundred scientific papers.


This VOA Special English Science Report was written by Paul Thompson.



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增加或修改( improvement的名词复数 ); 改进; 改善; 改良
  • improvements in efficiency at the factory 工厂效率的提高
  • They've spent a lot of money on home improvements. 他们花了很多钱装修家居。
n.经办;代理;代理处
  • This disease is spread through the agency of insects.这种疾病是通过昆虫媒介传播的。
  • He spoke in the person of Xinhua News Agency.他代表新华社讲话。
vt.发动,推出;发射;n.发射,下水,投产
  • The makers are about to launch out a new product.制造商们马上要生产一种新产品。
  • Would it be wise to launch into this rough sea?在这样汹涌的大海中游泳明智吗?
n.器械,装置;计划,策略,诡计
  • The device will be in production by the end of the year.该装置将于年底投入生产。
  • The device will save much time and effort for us.这种装置会使我们节省大量时间和气力。
adj./n.红外线(的)
  • Infrared is widely used in industry and medical science.红外线广泛应用于工业和医学科学。
  • Infrared radiation has wavelengths longer than those of visible light.红外辐射的波长比可见光的波长长。
v.伸开;展开,伸展;扩大;加大
  • Can you extend your visit for a few days more?你能把你的访问再延长几天吗?
  • The examinations extend over two weeks.考试持续两个星期。
conj.假如,若是;adj.预备好的,由...供给的
  • Provided it's fine we will have a pleasant holiday.如果天气良好,我们的假日将过得非常愉快。
  • I will come provided that it's not raining tomorrow.如果明天不下雨,我就来。
学英语单词
achromatistous
al jurayd
aminoacridine
ammonium selenate
anal fan
analytical model
ANSTO (Australian Nuclear Science and Technology Organization)
arenaviral
audit bureau
auto container
ball crank
behavio(u)ral psychology
born a bit tired
Bulli, bulli
butt muff coupling
Calstabin
cinder-return system
circulating oil-pump
cool change
coolant cleanup system
cross-flow heat exchanger
currall
curtain fabrics
cygnus columbianuss
Decembrists
deslimer
dilaurin
dive-bombings
emulsifiable paste
energy saving modification
engrand
epilator
evalue
fan in network
financing statement
flashing valve
flat smooth head steel wire nail
government machinery
gym knickers
hard hood
have half a mind to do sth
have one's nose in a book
hepatic bile
hirtipes
histone modificataion
Hormodendrum fontoynonti
if anybody
interference-suppression device
invested company
juet
la crosses
laberges
laser solution
less-sedating
LOP (logic processor)
low-risest
many-many correspondence
materializes
Melvaig
mid-calves
middle tractor
mizzen-sail
muelleri
nitrosomonass
Nodus lymphaticus lacunaris lateralis
pelivs major
placenta capsular praevia
Plasmodium brasilianum
pneumonoultramicroscopicsilicovolcanokoniosis
portary
posted-offer monopoly
pottruck
prionospio japonicus
quasi-hyperbolic refiector
racord
rectilinear manipulator
retruded
SAVMA
scotch broths
scour resistance
serialization
sludge inhibitor
solute striation
source language construct
steady-state operation mode in a short time
step curve
superglacial
suprastructure
surface-cooled reactor
Tayport
temporary nursery
Terracruiser
thirled
timahoe
Vacoas-Phoenix
velsicol 1068
vestmental
wardrobe malfunctions
word cycle instruction
zigzag chain
zimbalist
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