目标反射器

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(193) / 评论(0) 分类 Scientific American(四)月

据《科学》杂志报道,苏联的月球车40年前在月球表面留下了激光反射器,虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日,一组物理学家终于发现了来自反射器的微弱闪

发表于:2019-01-02 / 阅读(212) / 评论(0) 分类 60秒科学

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(189) / 评论(0) 分类 电信英语

My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children

发表于:2019-01-03 / 阅读(214) / 评论(0) 分类 英汉幽默故事选读

Astronomers say they have some intriguing new clues about one of the biggest mysteries of the universe. More than 20 years ago, scientists discovered that most of the matter in the universe is not made up of ordinary atoms, it is something invisible

发表于:2019-01-08 / 阅读(264) / 评论(0) 分类 2006年NPR美国国家公共电台

The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e

发表于:2019-01-19 / 阅读(213) / 评论(0) 分类 2016CRI中国国际广播电台

Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst

发表于:2019-01-22 / 阅读(176) / 评论(0) 分类 英文短篇故事(纽约)

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(217) / 评论(0) 分类 VOA常速英语2007年(十一月)

BEIJING, March 14 (Xinhua) -- Premier Wen Jiabao said Wednesday that the 7.5 percent GDP growth target for 2012 is a result of the government's proactive macro-control and can not be viewed as low. China's GDP has reached 47 trillion yuan (7.46 trill

发表于:2019-02-07 / 阅读(174) / 评论(0) 分类 英语新闻

Man United target has contract revoked

发表于:2019-02-08 / 阅读(184) / 评论(0) 分类 英语新闻

RIO DE JANEIRO, Feb. 25 (Xinhua) -- Paris Saint-Germain target Rafinha is reportedly on the verge of signing a contract extension with Brazilian giants Flamengo. The 19-year-old forward has agreed in-principal to a five-year deal with a buy-out claus

发表于:2019-02-08 / 阅读(192) / 评论(0) 分类 英语新闻

BEIJING, Aug. 29 (Xinhuanet) -- Since the beginning of 2011, China has taken a series of measures to cool rising prices, such as introducing a prudent monetary policy, boosting supply and containing inrrational demand while establishing a price contr

发表于:2019-02-08 / 阅读(170) / 评论(0) 分类 英语新闻

BEIJING, March 5 (Xinhua) -- China maintains its 2013 gross domestic product (GDP) growth target unchanged at around 7.5 percent this year to leave some leeway for economic restructuring, according to a government work report to be delivered by Premi

发表于:2019-02-09 / 阅读(166) / 评论(0) 分类 英语新闻

SAO PAULO, March 13 (Xinhua) -- Brazil internationals Alexandre Pato and Paulinho were both on target as Corinthians defeated Tijuana 3-0 in their Copa Libertadores Group 5 clash on Wednesday. Former Milan striker Pato bundled in from close range aft

发表于:2019-02-09 / 阅读(175) / 评论(0) 分类 英语新闻

The former Soviet republics of Georgia and Ukraine are allies engaged in similar attempts to establish democratic rule, to join NATO and realign themselves with the West, much to the displeasure of Russia. During the conflict in Georgia, Ukrainian P

发表于:2019-02-09 / 阅读(241) / 评论(0) 分类 VOA标准英语2008年(八月)

RIO DE JANEIRO, Feb. 26 (Xinhua) -- Reported Chelsea target Bernard scored a hat-trick as Brazil's Atletico Mineiro swept to a 5-2 away victory over Argentina's Arsenal Sarandi in their Copa Libertadores group stage clash on Tuesday. The 20-year-old

发表于:2019-02-11 / 阅读(177) / 评论(0) 分类 英语新闻

今天我们要学的词是 easy target, easy is spelled e-a-s-y; target is spelled t-a-r-g-e-t; easy target. Easy target 首当其冲的目标。Smart phones can be easy targets for thieves. 智能手机很容易成为小偷们下手的目标。In t

发表于:2019-02-17 / 阅读(181) / 评论(0) 分类 英语单词荟萃

My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children had received fire-safety training at school, they

发表于:2019-02-18 / 阅读(199) / 评论(0) 分类 趣味英语

节奏布鲁斯:Massari - Moving target 相关介绍 :Massari,原名:Sari Abboud。1980年12月10日出生于黎巴嫩在加拿大长大。29岁的Massari已经有两张专辑在手,很特别之处在于他拥有一副倾向女性色彩的嗓音

发表于:2019-02-18 / 阅读(191) / 评论(0) 分类 节奏布鲁斯

The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for

发表于:2019-02-21 / 阅读(259) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
after night
Albury-Wodonga
ancillaries to trade
APL/360
Archimedian screw conveyer
arthropneumography
barrage phenomenon
battuta
bilge vortex
boykins
bronchfiberscope
calibrated piston
cercospora arachidicola
cerebral gland
chalkstone
chiffon cake
chlorine suboxide
chosen domicile
cirri
composition factors
corchorus capsulavis
cory
crocosmia
dadbod
data name
departiculating
dependances
dopp
duralumin type alloy
edger impression
eliana
escle
evanses
evidence matter
fiddliness
film diffusion
fire -detecting alarm
follow - up date
gallivants
gum stock
harmonic motion drive
hemiphaedusa lini
Homologoumena
impulsions
inciso-
IOMP
khallid
Lathyrus anhuiensis
lower-frequencies
luana
major sevenths
mass-transfer reaction
master terminal key
media fusion
Mezzanine Financing
minimum form
miter weld
Morse signal
much-travelleds
NA (normal alarm)
neoadrographolide
Neoheppia brasiliensis
non-woven carpet
pan-european
pearson product-moment correlation coefficients
photeches
phytostreptin
Picture Sorts
pitilessly
polot plant
property-owning test for voting
red-eyeds
reinstamp
renal calcification
residual on sieve
restricted documents
reversed-phase partition chromatography
rice stub
sarkless
secrecy provision
self-survival
set theoretic topology
shift comb
signiorize
Sint-Katherina-Lombeek
SP-sephadex
spiritus mundi
stage trickling filter
stereoscopic film
stopped up
Strophioblachia fimbricalyx
STYLEPHORIDAE
subgranting
synthetic standard sample
threshing-mill
treehugger
turrel
udaspes folus
venous ulcer
withdrawal crystal
xaloque
zeugogeosyncline