[光] 准光学

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(215) / 评论(0) 分类 疯狂英语2003年

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(134) / 评论(0) 分类 数学英语

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家,也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(119) / 评论(0) 分类 走进剑桥大学

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 Scientific American(十)月

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(255) / 评论(0) 分类 自然百科2011年

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜,但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(128) / 评论(0) 分类 实用英语
学英语单词
12-N-acetyllysine
aceraceaes
air stripping
amniotic fluid embolism
amphicyonid
Anaxagorea
antheil
antihepcidin
aristulate
avalancholofist
balanced three phase circuit
Barton-under-Needwood
biles
blepharoconjunctivitis
brainwipes
cabin attendant seat (retracted)
carbolized catgut
central wrist bone
centre bearing housing cap
cess-pipe
Cicerbita cyanea
cleanout opening
conductometric
crying with fear
cuppings
demodulation
digital integrating meter
dihydropyran
disengager
divesture
dudley moores
dust storms
electron flux density
engine truck brake
EPH-syndrome
event sources
fallout attenuation
fatva
field-free
filamentous colony
for your selection
fourth-line
Gahrliepia turmalis
Gandhist
gas for motor fuel
gingivectomy instruments kit
gold spot
gouge clay
hauling firm
hemisulfate
hold bulkhead
hurrah boat
indunox
inwet
iridium(iii) bromide
kermel
lamps and lanterns
lasteth
magnetoresponsive
maricons
mass numbers
minnum
Monte Santo
motorcycle policeman
moving phase
multi-cell plenum craft
n-undecylic aldehyde
neuromime
next page phrase
noncuspidal
nonmarrieds
oxyamination
pallie
pathogenesis of gallbladder disease
pending litigation
Pinitolum
private patient
probabilistic error estimates
pyrimidine nucleotide
reallocating
Remarkable Arch.
renegociate
rootiest
rotated mercury electrode
salvio
sebastiane
sixfold
sosad
sour odo(u)r
standby equipment
syntypic
touch-dry
tuberculoidin
viscosity control system
visible UV laser
volume reflectivity coefficient
wave-train frequency
wingless autogiro
winox
working right
Wüstenrot
Ziehen-Oppenheim