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(159) / 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(151) / 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(111) / 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(103) / 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(110) / 评论(0) 分类 60秒科学
学英语单词
6-bromo-2-hydroxynaphthalene
absolute function
academic cheating
amplification medium
application of a surface
benzoidhydrin
bidding for license
biopsy of breast
Bohler splint
boxloads
brachium inferius cerebelli
breast bud
capping protein
Carex yunlingensis
case ending
Churchill, Lord Randolph Henry Spencer
circular finish
compiler writing course
cranings
dasyuruss
demand of a system
ectethmoid bone
ejaculatio
encapsulate
equinatoxin
Erebus
eusuchians
exact time
Facebookin'
facial deformity
fallback area
forecast demand
glucinum (beryllium)
gold-tail moths
gray route
graylag goose
gro-luxes
headmistresses
high speed ga(u)ge
Hindu-Arabic,hindu-arabic
hold someone in hostage
hydro-dehazer
initial pitting
intermittent paralysis
internal combustion burner
jobbing
kidston
kuzmic
laudati
lawn party
lazzaretto
line of gab
long-range material requirement
macrophoma quercicola togashi
make a resolution
melatto
microcoulomb
microgametogenesis
Microsoft security
mining subsidence observation
Moutai
Mylabria
Natro-alumobiotite
neoprene synthetic rubber
of help
optical memory glass semiconductor
Palmahim
palmed us
palpebral eczema
pear hawthorn
permeability anisotropy
plumbous orthoplumbate
Pont Erwyd bed
post men
pudu pudu
redox-sensitive
ribosomal RNA gene
roast duck
rufinas
RVIDD
S5
Santorini's fissure
sappositorium ichthammolis
see eyeto eye
semivegetarian
shawangunks
shovel cover
spot wobbling circuit
stochastic noise
storage-to-storage operation
sub delegate
Tetrachlorodifluoroethane
three sources of water
Trachonitis
trex
trichloro ester
tube ball mill
user log-on
waiata kori (maori)
webstream
working curve
zaborski