频域分析器

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(47) / 评论(0) 分类 (科普英语)Earth and Sky

Amid all the tradition and history of Katmandu, a profound change is in the air. In fact, it might literally clear the air, reducing the choking pollution which has blighted this congested valley. The streets of the capital are gradually being taken

发表于:2018-12-11 / 阅读(46) / 评论(0) 分类 万花筒2008年

A ban on electric bicycles in New York City is hurting delivery workers who depend on them to earn a living. Many of the workers are immigrants. Electric bicycles, or e-bikes, have foot-powered pedals like other bicycles. But they also have electric-

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 2018年VOA慢速英语(二)月

Official figures from the Ministry of Transportation show emissions from car exhaust account for 31 percent of the country's total air pollution. In an effort to bring that figure down, the central government has been supporting a series of subsidies

发表于:2019-01-19 / 阅读(63) / 评论(0) 分类 2015CRI中国国际广播电台

Automakers are rolling out their new electric vehicles at the 2018 Beijing Motor Show, the motor industry's biggest sales event this year. Carmakers expect new growth in China's market despite the looming threat of a trade war between China and the U

发表于:2019-01-19 / 阅读(78) / 评论(0) 分类 2018CRI中国国际广播电台

BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist

发表于:2019-01-30 / 阅读(72) / 评论(0) 分类 英语新闻
学英语单词
access points
adelies
adjustability coefficients
aesthesiologia
application/method identifier
as pie
atss
attribute value
automatic data processing program
automatic high-voltage control
bastardizes
benzoyls
block codes
Bloodless Revolution
blow one's top
can seamer
cat-guts
cationic aceivation
citronellols
clearance date
closing off
co-anchor
code of best practice
confabulates
continuous drying machine
crossed dipoles
dashdotted
deflected shape
Dermatectasy
distopulpolabial
drive a hard bargain
duct void examination by vacuum pressure test
eicastic
electrical dust precipitation
family dipsacaceaes
filopods
Gaultheria borneensis
genus afrocarpuss
gilks
Glimmings
gun switch
haptomerum
hardraw
heat rum
heiskannen modification
high precision LF signal generator
indosetacus roxburghianus
inee
inleak
knock-out reaction
lambda-system
lead a dog's life
leadership structure
leafminers
lipoid corneal arcus
LLAC
magai
mavi
meteor.
mixed nuisance
non productive time
non-positive definite matrix
peeling strength
Pelican R.
pleurosigma diverse-striatum
poetlings
poffertje
poison dart frogs
pollenantigen
prednisilones
public legal entity
rabdostigma erythrophloiae
radiation dostmeter satellite
rail-mounted gantry crane
raincoast
re-fashion
real twist
rock mass classification
Romanby
rossmiller
Saariselkä
school attendance officer
self centering chuck
semi-rigid receptacle
seve
signal-intelligence
single-core
the use of lethal substance
trachyte-pitchstone
track controller
trilaurylamine oxide(TLAO)
ups (user proving state)
Vanda concolor
variable amount
voice frequency equipment
voltage field
VOR test-signal
warehouse-type
weighting system
West Tocharian
westnorthwest
wonderboys