分裂步骤傅里叶方法

Robert Owen, a British mill-owner and reformer, treated private property, along with organised religion and marriage, as a social scourge. In 1825 he bought land for a farm-and-factory commune in Indiana. It attracted farmers, artisans and intellectu

发表于:2018-12-31 / 阅读(34) / 评论(0) 分类 经济学人文艺系列

A China-made wearable robot that can assist disabled people with walking is expected to enter the market in one to two years, according to its developer. 我国已自主研发出一款可以帮助残疾人行走的可穿戴机器人,其研发方称,

发表于:2019-01-07 / 阅读(60) / 评论(0) 分类 英语新闻

Cameras were once big and bulky. Today,really good cameras fit in your pocket. And now, researchers at Cornell havedeveloped a camera thats just a half-millimeter on each side and a hundredthof a millimeter thick. The lens-less device is called a Pla

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(七)月

A Step Closer to Major HIV Prevention Method A U.S. government panel has recommended the use of a once daily pill to help prevent HIV infection. The pill has been shown to be very effective in studies. The Food and Drug Administration, the FDA, now h

发表于:2019-01-13 / 阅读(68) / 评论(0) 分类 VOA标准英语2012年(五月)

This podcast seems like a very simple one; what could I possibly have to teach about the stairs? Well, there are many kinds of stairs in a home. You have the steps leading up to the front door, or between one room and another. Sometimes a room can be

发表于:2019-02-07 / 阅读(31) / 评论(0) 分类 英语博客 A cup of English

Live a single day on planet Earth, or anywhere else in the universe for that matter, and you will experience the natural phenomenon of heat conduction, which is the term used to describe the natural flow of heat from warmer objects to cooler ones. Yo

发表于:2019-03-06 / 阅读(109) / 评论(0) 分类 英语时差8,16
学英语单词
abdoment
acephalocheiria
adhesion heat
alcoholic abuse
alizarin(e) red
Arcas
averruncation
baby momma
bangas
bit sub
boiler liner
bulk storage bin
butanediamide
carriage of liquified gas in bulk
centroid of waterplane area
Cirsium segetum
claeys
cloud radiative forcing
colorspace
copending application
cyberculture
Darostrep
ecological valence
electrician's pliers
Enright
Eremopogon delavayi
erythra
Ethazol
facadectomies
fedamazine
fenamisal
freight clause
frykholm
gas phase solid
gens du monde
geosynclinal area
goinfre
group-call
hasubanonine
herb simons
hereditary peers
homogeneousnesses
hydraulic brake filler
hydrodelhayelite
indepth
international monetary reserve
IRCirc.
Ladenburg law
limitation regime
load of lifting
mampos
Maxwell meter
merchandise declaration
militia movement
MPTY
narsai
no-fear
noseridden
Oak River
obolary
old-line business
oval-shaped belt
p-Phenylenebisisothiocyanate
partially dynamic graph problem
pentadecanol
Phacellaria rigidula
plastic strength
porous-wall cooling
potassium benzyl penicillinate
prodigiosity
recapture of depreciation
reverse valve stem
rheum coreanum nakai
ring type grinder
rod cells
roentgenographically
securities and exchanges commission
self-anchored suspension bridge
senecifolic acid
Serednikovo
sergelim
shelf-mark
silverdomes
skew curve
soldierings
spacely
stiff shit
stoichiometric amount
stone skeleton construction
Strophanthoside-K
suffocative bronchitis
synchronizer shift
transreactance
trisul
uk invest
ultrabright
under-populated
unnarrated
water quality monitor
weighs anchor
work accuracy
zircon ceramics