[网络] ST_space_surfaces对象

04 美国的航空航天技术 DATE=2-21-01 TITLE=EXPLORATIONS #1940 - Space Digest BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Special En

发表于:2018-12-07 / 阅读(254) / 评论(0) 分类 科技之光

EXPLORATIONS -February 6, 2002: Increasing Hubble’s Power By Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with the VOA Special English program EXPLORATIONS. Today

发表于:2018-12-07 / 阅读(199) / 评论(0) 分类 Explorations

Scientists Deliberate Cleaning Space Junk WASHINGTON Everything that we launch into an orbit around the earth eventually becomes space debris. Scientists say the increasing number of unusable objects circling our planet is threatening functioning sat

发表于:2018-12-08 / 阅读(167) / 评论(0) 分类 VOA标准英语2014年(六月)

Lesson30 Spin-off Technology Some people wonder why countries spend millions of dollars on space projects. They want to know how space research helps people on Earth. Actually space technology helps people on Earth every day. This is called spin-off

发表于:2018-12-08 / 阅读(394) / 评论(0) 分类 背诵为王第四册

The Pentagon plans to shoot down a disabled spy satellite to prevent a potential deadly gas leak, officials said. Upon notification of the descending NRO satellite, the President and his national and homeland security advisors reviewed the options a

发表于:2018-12-11 / 阅读(189) / 评论(0) 分类 万花筒2008年

Volume 体积 Volume is how much space something occupies. 体积是指某一物体所占的空间。 In this case, space consists of three dimensions, length, width and height. 这样的话,空间由长、宽和高这三维组成。 Volume is pres

发表于:2018-12-13 / 阅读(198) / 评论(0) 分类 与美国小学生一起学英文第4册

Why Do Stars Twinkle? If youve ever glanced skyward on a clear evening, youve probably noticed with some wonderment the sheer numbers of stars. Some are tiny, barely visible points. Others radiate strong white light. And from our earthly vantage poin

发表于:2018-12-31 / 阅读(196) / 评论(0) 分类 英语听力文摘 English Digest

Leaves Inspire Better Solar Panels What do leaves and solar panels have in common? Both absorb sunlight and turn it into energy. But while solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light a

发表于:2018-12-31 / 阅读(201) / 评论(0) 分类 英语听力文摘 English Digest

Westminster Abbey is one of the most famous tourist sites in Britains capital, London. Now, officials have decided to open another area of the building to help teach its history. The Queens Diamond Jubilee Galleries are about 16 meters above the floo

发表于:2019-01-03 / 阅读(201) / 评论(0) 分类 2018年VOA慢速英语(六)月

(THEME) VOICE ONE: This is Nicole Nichols. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about discoveries of the past on the island of Saint John, in the United States Virgin Islands. Saint John

发表于:2019-01-03 / 阅读(230) / 评论(0) 分类 2018年VOA慢速英语(九)月

> 33 接近地球的不名星体 DATE=6-6-01 TITLE=EXPLORATIONS#1955 - Near Earth Objects BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Speci

发表于:2019-01-11 / 阅读(205) / 评论(0) 分类 自然探索

New Robotic Arm Can Grasp Moving Objects An international team of engineers based in Switzerland built a robotic arm that learned to perform complex movements. The term robotic arm covers a variety of mechanical devices from robots that weld automoti

发表于:2019-01-14 / 阅读(251) / 评论(0) 分类 VOA标准英语2014年(五月)

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(230) / 评论(0) 分类 世界各地新闻集锦

74 空气与空间博物馆落成二十五周年纪念日 DATE=7-23-01 TITLE=THIS IS AMERICA #1074 - Air and Space Museum Birthday BYLINE=Jill Moss VOICE ONE: This year, the National Air and Space Mus

发表于:2019-01-20 / 阅读(228) / 评论(0) 分类 文化聚焦

Tim has developed a map to visualize their location. And on that map, the most important are the Near-Earth asteroids, the ones closest to the planet. On the screen here is a map of the solar system. And Ive got the Sun in the centre and the third pl

发表于:2019-01-23 / 阅读(205) / 评论(0) 分类 探索与发现2014年

The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p

发表于:2019-01-30 / 阅读(226) / 评论(0) 分类 实用英语

By Alex Villarreal Washington 25 October 2007 The U.S. space shuttle Discovery has docked at the International Space Station, marking the next phase in a complex mission to expand the international orbiter. VOA's Alex Villarreal reports from Washingt

发表于:2019-01-31 / 阅读(233) / 评论(0) 分类 2007年VOA常速英语(十月)

Making Contact 为什么戴隐形眼镜看东西更清楚? Don:I get contact lenses to replace my glasses and its like Im seeing the world through new eyes. Its miraculous ! Yal: Acutlly, Don, there is nothing miraculous about it. D: Who tell? Y: W

发表于:2019-02-24 / 阅读(205) / 评论(0) 分类 英语听力文摘 English Digest

Sure, you think the world is full of solid objects. You think the radio youre listening to is solid. You think the floor youre standing on or the chair youre sitting in is solid. Heck, you probably think that you yourself are a solid object. Wrong. O

发表于:2019-03-06 / 阅读(247) / 评论(0) 分类 英语时差8,16

What Came First, Language or Perception? Have you ever wondered what came first? Language or perception? Find out on this Moment of Science. Yael: Down,what came first? Language or Perception? Down:Hey!Is this one of those questions with no answer? Y

发表于:2019-03-09 / 阅读(223) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abreauvoir
abutment crame
acetabularia ryukyuensis
acmite
ADKC
afare
age-dependent birth and death process
aurine
bacteriological study
before operation
betham
blind soaring
bus tyre
Calceola
Chapman's antshrike
computer software configuration item
condylar angle
conflicter
constraint functional programming
corydalis lineariloba s.et e.
Dahlenwarsleben
decentralized computer network
defendant's agent
deforestations
delivery seal
dispersive Fourier transform spectrometry
exagerate
f.f.c.
face front
fentin
forlornities
genus lopholatiluss
graphics-function key
graphitic embrittlement
gyromagnetic delay line
heat resistor
heating and cooling
Hederich
hilt to hilt
hollow-cylinder source
homebases
hraka
imbibbed
inspection photoelectric quality
iso-immunization
ketotrexate
Kinkaid, Thomas Cassin
Kwai Tsing
laboratory tweezers
lappaceous
leaf-edges
leftie
leghaemoglobin
limited train
longevals
magnetic scattering
magnetoelastic internal friction
Mandobo Atas
manual telephone set
momentum discontinuity
N-isopropylnoradrenalin
Offenheim
olves
paddocked
pakawops formosanus
panopticisms
paravaccinia virus
partial breakdown
pattern matching
penetration loss
photoelectric reading microscope
Pileni
pneumatic control system
polygraph test
potamoplankton
protest too much
prothrombin time
pseudo vector coupling
ramat-gan
Ranot
retinal photocoagulator
Richelsdorfite
rock flounder
Romanov Dynasty
self-pleached
shucky ducky
silphid
single row roller bearing
single spring mechanical seal
small platform scales
ST_size-and-quantity_merely-and-barely
substitution arrangement
syn-isomerism
system interaction
terabit
Tilpa
tiru
toolers
trading corporation
ultimates
URL hijacking
white pig iron