压电晶体稳频器;压电石英稳频器

Once A Regional Stabilizer, Saudi Arabia Becomes A Disrupter MARY LOUISE KELLY, HOST: For generations, Saudi Arabia's monarchs have based their rule on tradition and caution and, above all, stability. Crown Prince Mohammed bin Salman represents a bre

发表于:2018-12-01 / 阅读(114) / 评论(0) 分类 2018年NPR美国国家公共电台10月

最新研制一种新的医疗设备,可以利用身体动作来充电。 Novel materials could allow the implantation of flexible, rechargeable batteries that would constantly recharge from the body's own movements--even just breathing. Cynthia Gr

发表于:2018-12-07 / 阅读(105) / 评论(0) 分类 60秒科学

1975 、 双圆头锤 blockinghammer 1976 、 双极面结型晶体管 bipolarjunctiontransistor 1977 、 双线规;榫规 mortisegauge 1978 、 双头砂轮机 double-endedgrinder 1979 、 双头螺栓

发表于:2018-12-08 / 阅读(65) / 评论(0) 分类 英文名句短语

This is Scientific Americans 60 Science, Im Cynthia Graber. Thisll just take a minute. Batteries add weight, and they need recharging. Thats serious business for implanted medical devices. When the batteries die, patients sometimes have to undergo an

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(九)月

M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethi

发表于:2019-01-02 / 阅读(66) / 评论(0) 分类 60秒科学
学英语单词
abtrust
account price
accretion measure
acetic acid bacteria
aerospace medical test device
amphistome cercaria
arteriae interossea communis
asman
attest to
average constant cost
Ban Sop Bau
bandileer
basilio
Ben Geary
Berthelot-Thomse principle
bioinformaticians
blow-jobbers
bone forceps
brass hot water tap
chkilis
circulation return pipe
classlessly
coffin nails
common vipers
copper earth tube
counteraccuses
cow rental contract
dermatitis pediculoides ventricosus
dianthus chinensis l.var.semperflorens mak.
diaphanoscope
digital still frame
eighty column card
equipment despatch order
evaporator concentrate processing (plant)
external urethrdomy
face boss
false amnion cavity
fantasound
fiber detector
Frank-Rabinowitch effect
gearchanging
geogia hollies
geometric progession
granny glasses
groundsills
guanosine monophosphate (gmp)
halkitis
Hanaizumi
hodders
IN/SEC
intrusive mercury curve
iron bromide
ISFET
law of rationality
leading phase
light-float
made a name for ourselves
michihikoes
military charge
Moolooloo
multipoint circuit
munificences
nickering
orchiduceae
ovothiol A
Phasianidae
pneumoencephalomyelography
praetextatus
prebiotic chemistry
pressure relief system of pressurized-water reactor
pristiophorus japonicus
product value
pulse type altimeter
Semiozër'ye
shmaltzier
short period insurance
single chip system program counter
slag screen
smart under
storable propellants
storage access unit
straight tunnel portal
subchain
suboriferous
subsidiary communication
supervoltage therapy
SVZ
text based
tinmen's shear
toywoman
trachelospermums
trigoniulus tertius
true alignment
Ugly as a stick
underwater sound project
unsociably
unsympathising
wattless power meter
weld iron
welding assembly
whyle
wilfornine