[网络] 可见光发光二极体

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f

发表于:2018-12-24 / 阅读(47) / 评论(0) 分类 Scientific American(八)月

Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on fewer watts. But even if we replaced all today's bulbs with energy-sipping LEDs, the world m

发表于:2019-01-02 / 阅读(78) / 评论(0) 分类 60秒科学

Science and Technolgy. 科技。 Visible-light communication. 可见光通信。 Tripping the light fantastic. 与光共舞。 A fast and cheap optical version of Wi-Fi is coming. 一个高速而廉价的光学Wi-Fi即将问世。 AMONG the many new

发表于:2019-01-26 / 阅读(60) / 评论(0) 分类 经济学人科技系列

还记得孙燕姿那首红遍大江南北的《绿光》吗?翻越过前面山顶、层层白云,绿光在哪里?不知道有多少人跟小编一样,以为歌里的绿光只是对幸福的比喻。而其实在现实中,绿光是真实存在

发表于:2019-01-28 / 阅读(58) / 评论(0) 分类 实用英语

Science and technology 科学技术 Visible-light communication 可见光通信 Tripping the light fantastic 与光共舞 A fast and cheap optical version of Wi-Fi is coming 一个高速而廉价的光学Wi-Fi即将问世 AMONG the many new gadgets u

发表于:2019-02-06 / 阅读(65) / 评论(0) 分类 经济学人科技系列

1. There is not a moment to be lost. 分秒必争。 2. There is noholding back the wheel of history. 历史车轮不可阻挡。 3. Nota soul was anywhere visible. 到处见不到一个人。 4. I felt sorry for not coming in time. 我很抱歉没准时

发表于:2019-03-13 / 阅读(106) / 评论(0) 分类 托福英语
学英语单词
'eld
a rather larger terminal raceme
air-injection
anakoluthie
argyrosis
as per list enclosed
autoresponder
be oblivious to
benzenin
Biryāb
brabbler
bursal rays
by-chop
cadency
cancellation of a lost instrument
cardio-inhibitory
catenary anchor leg mooring (calm)
cheerer-upper
chemiosmoses
chlorination of leached carbides
chronophagous
cleidocranial
comr
corticostriatal
costbenefit
Cromoglyn
curleys
dawood
debt subject to statutory limit
dodge bow
doucette
Dukes' disease
Dumfries and Galloway
duodenal antrum
dynamic synchronizing torque
eigenfunction orbital
elutriation rate
embryonically
envisioning
formimino
gallinari
heptazine
Holkat B.
hypoptyalism
illumination taper efficiency
informe
inosine
ionized layers
jib saw
Kandé
knucklelike
Krasnyy Luch
Kιzιlkoca
lieder ohne worte
line size
load and depth control
manuductor
maximum working radius
mcklnley
microlinguistics
multiple-look technique
new quantum number
non-emergency circuit
nonprophetic
nonstratified form
nonsulfide
output impedance of microphone
pales townsendi
pattern sensitivity
photojunction cell
picture counter
pocketpiece
polarizing fluorescence
protuberance type hob
psychocoma
public executioner
qualify standard
quebrachidine
rank defect
rated-speed
resume business
self-fruitful
serp
service population
shea butter
shining tubeshoulder
shmoosing
shrieff
Starbuck Island
Starknumber
Sten gun
stigmatic papilla
store adjustment
Suisho-to
symbiotically
thermal regime
toshio
trials and tribulations
Vicq d'Azyr's band
WATFOR
woollen fleece
zoogloeae