[电] 调制电极

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发表于:2018-12-01 / 阅读(302) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(324) / 评论(0) 分类 Scientific American(十二)月

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(263) / 评论(0) 分类 有声杂志阅读

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(448) / 评论(0) 分类 60秒科学

Microwave In telecommunications, microwaves are frequencies above 1 GHz. MIPS million instructions per second Modems (MOdulator/DEModulators) Modems are devices that transform digital signals generate

发表于:2019-01-03 / 阅读(224) / 评论(0) 分类 电信英语

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(269) / 评论(0) 分类 Scientific American(八)月

Africa Kicks-up A Lot of Dust 非洲大陆的灰尘飘向美国 Bits and pieces of the African continent are falling on the United States and surrounding regions much of the year. Scientists say large amounts of African dust may be having major effec

发表于:2019-02-01 / 阅读(224) / 评论(0) 分类 VOA常速英语2013年(九月)

and should as soon think of counterfeiting another's look or step or voice, or of modulating my own by a pitch pipe 一提到演说,就会想到伪造其他人的表情,步伐或声音,抑或通过为笛子定调的方法来调整我自己的音调

发表于:2019-02-11 / 阅读(174) / 评论(0) 分类 美国语文第六册

It's been confirmed Chinese President Xi Jinping is going to be making his first state visit to the US as President. Chinese ambassador Cui Tiankai says discussions are already underway about the logistics of the trip. The date for Xi Jinping's trip

发表于:2019-02-14 / 阅读(211) / 评论(0) 分类 2015CRI中国国际广播电台

Science and technology. 科技。 Neutrino communications 中微子通信 ET, phone home 外星人,致电家中 The world's first neutrino-messaging service 世界上首次中微子通信服务 PARTICLE physics is all very well for addressing trivi

发表于:2019-02-18 / 阅读(241) / 评论(0) 分类 经济学人综合
学英语单词
a slice of ham
acryloyl
adjustment problems of adoptive children
Aeonium
Arbeost
arrears of wages
artow
Backseat Browser
battle-clad
be bound up with
bisphosphine
catchphrases
catheter-related
class density function
clerical work
cloud-seeding agent
cochineal figs
coming into force
computational element
cooeyed
cooperative shop
dab hands
Deptford Pink
diphenylmethylpiperazine
double-seated ball valve
electrial resistance welding tube
endearing to
eupatrid
Eustrongylus visceralis
fibre composite
final and binding
Fremantle Doctor
fusspot
genus Smyrnium
geocentric right ascension
governed word
Hemipilia cordifolia
Homocodon
Humboldt County
infrared beam splitter
infrasonic wave
insulation classification
introes
Kalantonin
kimmy
life-boat
line reactance
lla
long rear-pivoting boom
longitudinal current
low-foaming detergent
lubricator shank
Lumbayao
lupus erythmatosus
m-xxl
mesencephalic nucleus of trigeminal nerve
metallurgical contacting system
modular multiplication
nevus lipomatosus cutaneous superficialis
nueleoside phosphorylase
once-through cooling
operating current
parnells
peanut worms
peonages
periodontal therapeutics
pile poisoning
position-setting
pregnadienediol
preponderence
press-fit package
promisest
protoporphirin
pyramis ossis temporalis
relaxed synthesis
rhizoma graminis
rie-grass
salia effervescentia
scalar field
scale infrared thodolite
scraggles
sedentary benthos
shelled corn drier
shmuks
single-lane channel
speak ... language
spinto
stavings
strawberry capillary hemangioma
Sulpiril
t-series
Tagânt, Rég.du
teleost muscle trajectories
temperature-dependent resistor
to loot
trister
turn-allocations
u-bolt
umbrosity
void structure
vovak
worm thrust bearing