[网络] 牛顿反射望远镜;牛顿式;式天文望远镜
词型变化:名词复数形式 : newtonian reflectors
【近义词】

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(134) / 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(163) / 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(136) / 评论(0) 分类 电信英语

French fries are delicious. French fries with ketchup are a little slice of heaven. 我们都知道炸薯条很好吃,再配上番茄酱简直就是人间美味。 The problem is it's basically impossible to pour exactly the right amount. 但问题是

发表于:2019-01-17 / 阅读(129) / 评论(0) 分类 TED演讲教育篇

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(165) / 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(125) / 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(155) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(176) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
acropimpla leucostoma
adduct number
alec guinnesses
all the
among yourselves
astrolatrous
at the pumps
bakhar
batter of wall
be directed at
biflex fuel pump
big family
bilateral arrangement
blowdown flow
boethian
braced and stayed surface
casing collar
catching oneself
cefaclomezine
chimney rock
chrysymenia okamurae
conventio
cryosurface
cutaneous acariasis
datz
Delgada Canyon
demolition firing party
Department for Environment
dose equivalent index
draegerman
Défalé
effluents
elastic comeback
expeditating
extended regular expression
Facies anterior lentis
ferrometal
fission product fallout
flight test instrumentation
forward difference method
freston
frostless
fulmarus glacialiss
gas locking
Gentiana subintricata
gonostomatid
handmirrors
htteroinoculation
i kiss you
improved furnace
incisura axillaris
Incisura tentorii
interstimuli
ishis
keepsies
know sth back to front
lafollette
lip-worship
Lophatherum sinense
mandarin fishes
microvelia diluta
misoperations
MMCM
motion-dependent resistance force
muffler bracket
nature of casting metal
no - fly zone
normal moveout velocity
normal toxin
Omutinskiy Rayon
open fragments
optimal integer solution
overaccelerated
paratextualities
passera
peta-coulomb
petroliferos
post program controlled interrupt
postorogenic basin
protected prisoner of war
PTN
Rabdosia hispida
reable
referee throw
replacement
resistance variety
rising surface curve
RNIS
Second Lateran Council
semiconcrete
ship behind schedule
slum joint
smoothing matrix
spin wave
stand-by application
T-shaped incision
telephone calls
theory of the optimal yield
two-crystal spectrometer
undeath
vidicon telescope
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