挠不变量

You cant judge a book by its cover. But you can judge a dog by its coat. You can even read right through to its genes. Because a study in the August 27th online issue of Science shows that just three key genes govern the length and texture of dog fur

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 Scientific American(八)月

The Bird Flu Recently , the news has been filled with reports of the “bird flu.” Asia is on a region-wide health alert, with governments slaughtering millions of chickens to contain 1 outbreaks

发表于:2018-12-30 / 阅读(83) / 评论(0) 分类 英语沙龙2004全年合辑上

505 、 夹;夹钳 clamp 506 、 夹 cramp 507 、 夹卡 mountingboard 508 、 夹具 fixture;jig 509 、 夹具及固定装置 jigandfixture 510 、 夹板;胶合板 plywood 511 、 夹持工具

发表于:2019-01-03 / 阅读(52) / 评论(0) 分类 英文名句短语

Scientists say they have made a leap in knowing why some people retain their youthful looks while others age badly. 科学家称他们已经在探究为什么有的人青春长驻而另一些人逐年老去这一问题上取得突破性进展。 They

发表于:2019-02-01 / 阅读(26) / 评论(0) 分类 阅读空间

克里姆林宫决定斯诺登的未来 MOSCOW, June 30 (Xinhua) -- As Edward Snowden has been perching at an international airport of Moscow for a week, Kremlin said Sunday the former CIA contractor's future was not yet on its agenda. The President

发表于:2019-02-06 / 阅读(40) / 评论(0) 分类 英语新闻

Business 商业报道 Civilian jet engines 民用航空发动机 Gearing up for a fight 奋力一战 Pratt amp; Whitney hopes a high-tech engine will restore its former dominance. 普拉特惠特尼公司期待其新款的高科技航空发动机能重

发表于:2019-03-09 / 阅读(128) / 评论(0) 分类 经济学人商业系列
学英语单词
abdul rahman
abuse of right
array of data
athwartships corrector
automorphic potential
axes to grind
baconfield
Bains-les-Bains
bipartisan
Biscari
calculogenesis
CaM112
canada anemones
center of immersion
Chemistry and Physics Laboratory
chocolate face
circulation pump of heat-supply network
cobalt mica
commercial U-tube manometer
Corydalis sarcolepis
curbstomps
Damage on Board
diamondtron
diaphragmodynia
diethylaminochloroethane
dubois heywards
duction
economic boycott
Estratah
excess reinsurance
expulsion pipe
family pteroclididaes
fl (fluid)
give in
gonidangium
have the weather
headlonging
Heller's plexus
homolochunia gadaletae
hortulanary
hyperbolic substitution
impression control
information mechanics
information policy
land fill
Lepisosteidae
LGR (logical right shift)
lottia langfordi
lygodium japonicum
macroapocrine
malto dextrin(e)
Maniske
marshmallows
mechanichal respirator
meteoriopsis reclinata (mitt.) fleisch.
model variable
mouldier
multiple argument routine
negative sequence component
nozzle adiabatic efficiency
orsetts
ortho-trimethylsilyphenol
osmotic balance
partial pancreatectomy
periodlike
photistor (photo transistor)
place of birth
power point.
pre-scientific
process butter
propulsion installation
pulpers
pulsus irregularis perpetuus
running-back
sampled-current polarography
sanvitalia procumbenss
second level packaging
secondary glazing
sensual
sergeant-major
side tracking skate
sikokiana
skimming prices
spacecraft thermal control
substitute high speed steel
Synkapton
tapioca-plant
target component
targhees
test for
testing of apparatus
toughened polystyrene resin
ultrasonic forming
unwarrantably
vaali
vel non
visual signalling
voltage and current
warping winch
watre
wintriness index
Yermakovskoye