等角速比

And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁, talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒,由于是在YouTube上,所以他用

发表于:2018-12-30 / 阅读(56) / 评论(0) 分类 TED演讲科技篇

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(115) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(135) / 评论(0) 分类 数学英语

Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b

发表于:2019-01-23 / 阅读(60) / 评论(0) 分类 探索与发现2014年

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(82) / 评论(0) 分类 英语新闻

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(71) / 评论(0) 分类 英闻天下
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3-FLUOROCATECHOL
ahems
air cleanliness
allanic acid
amortized loan
amphibian car
amyelus
assignment to third party
at high altitudes
baden
balsamico
Barrett's esophagus
Berkeley clay
bidens pilosa l.
bluppy
cane-cutter
chromosomal sex
code requirement
code ringing party line
compartmental model
compromise behavio(u)r
cqc
CTFU
deconcentrating
disfavourers
distomatoses
dropcy
dysulotous
encamper
estuarial circulation
even but now
expired article
fire-drill
five-electrode tube
fossae incudis
frame-to-frame jump
geared down motor
happy couple
hashing total
heel compensator
hemolytic disorders of red cell enzymes
hvdc transmission line pole
hyperfine resornance
Icelandic Sheepdogs
ile-
indoor illumination
inland village
interpreting execution
inverse cycle
invertible functor
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Korsakovka
labyrinth teeth
Lancaster, Récif
machinery space boundary
make a balls of
maximum-length sequence
mesitylenic
milliambert
missing segment interrupt
motor bus
muscicapa ferruginea
N-Sulfoglucosamine-6-sulfatase
noninstitute clause
nuclear rockets
onomatopoeical
outer cortex
PADIPALPI
pallister -hall syndrome
para toluene sulfonamide
parallel configuration
piecewise regression
pounced upon
pseudo-random perturbation
puppyisms
Putnam L.
railophone
regulation curve
relieved work
rose-bud
Sandhornoya
seasonal schedule
secret order
silver iodide seeding
size of seal contact face
skid steer
skinny mirror
spur gear pair
squirmers
stockhouse
strength draft
stunnas
superior veins of cerebellar hemisphere
t.k.
tactical atomic support
tarry hemp fiber
tenancy in perpetuity
tessellates
theoretically perfect plate
three-pole isolator
triolism
X-body