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(87) / 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(117) / 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(90) / 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(108) / 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(158) / 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(115) / 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(75) / 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(111) / 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(78) / 评论(0) 分类 英语新闻

Man United target has contract revoked

发表于:2019-02-08 / 阅读(88) / 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(84) / 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(79) / 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(79) / 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(66) / 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(108) / 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(83) / 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(80) / 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(99) / 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(93) / 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(114) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
abovesaid
al-fustat
all-pass network
anthromorphic
Artjarvi
average logarithmic energy decrement
backcrawl
blazonest
blocking factor
bored piles
brantwoods
bristol glass
calculation command
chilean firebushes
cleavage dissection
cross-application
de-adapting
desaroside
detector of defects
diffusion hole
Discophyllites
dissimilarity index
distributing reservoir
Dorbane
double-column machine
doublers
eclipselike
electronic multiple automatic exchange
enemie
enflagellation
excition
exfoliative psoriasis
expanded cinema
family cortinariaceaes
finishing tooth of broacher
fishbones
FPE
Gauguin, Paul
Granuloreticulosia
half-hunters
hand-me-down
Hedyotis bodinieri
hereditary splenic hypoplasia
Hundewāli
hyposom
IASTIC
in twain
isonitriles
komodo lizards
lexical decision task
lpci line
ludas
lumens
lusks
Mufuma
multilingual operating system
multiple-stage harmonic gear drive
neutral step filter
nicolas poussins
nitrodiphenylmethane
numinosities
nutrient fixation
ohhhhh
on an arm's length basis
organodynamisme
out-looker
outvoices
partes oralis
pebbly mudstone
pencil tests
phosphoruranylite
photo-electrostatic display recorder
photon excited X-ray fluorescence analysis
polyundecamethylene glycol
rated working load of swivel
razzies
republics of yemen
return type burner
reverse repo
riccardia crenulata
riding-boot
say amen to
scab-resistance
schizophasics
ship's form
Silene ningxiaensis
spot meter
step dance
superior rectus muscle
Swapan
symmetrical architecture
technical milieu
terratolite
transitivizer
tukey's test
utility graph
Vasco
veches
vector acceleration
vernale
yamada
zinc fluosilicate