音标:[saʊnd ˈkæriɚ ˈfrikwənsi] ;
伴音载波频率

UNIT 4 Text A PRE-READING TASK Exercise 1 Before reading the passage, look at these questions. Then try to find the answers as you read it. 1. Where is the Bermuda Triangle located? 2. What happened t

发表于:2018-12-11 / 阅读(111) / 评论(0) 分类 实用英语综合教程

Cache - Generally, a place to temporarily store something. Regarding computers and telecommunications, it is a place where data is temporarily stored during transmission. Call - This is a connection b

发表于:2019-01-03 / 阅读(56) / 评论(0) 分类 电信英语

Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so

发表于:2019-01-03 / 阅读(67) / 评论(0) 分类 电信英语

Screams Have Special Place in Brain 尖叫声在大脑中会有特殊的位置 From VOA Learning English, this is the Health Lifestyle report. Have you ever thought about screaming? A blood-curdling scream is a natural reaction to sudden, extreme fri

发表于:2019-01-12 / 阅读(65) / 评论(0) 分类 2015年VOA慢速英语(八)月

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(49) / 评论(0) 分类 TED演讲国际问题篇

Science and technology 科学技术 Channelling heat 传递热量 Good conduct 良好的传导 It may soon be possible to control heat flows with great precision 有可能实现对热流的精确控制 HEAT, as every schoolboy knows, moves in three w

发表于:2019-02-17 / 阅读(41) / 评论(0) 分类 经济学人科技系列
学英语单词
aates
accelerating period
accustomed average
acetylsulfamethoxazole
admonishing
allotted days
anss
apple a day...
arabinosylcytosine
as simple as a child
auxiliary diagonal
basal metabalism
blese
boot sector
bradys
carbon support
CCA pyrophosphorylase CCA
coal water slurry boiler
concentrated pool
cooled metal nozzle
culices
D. & Cl.
Debre-Fibiger's syndrome
dianil pure yellow
different forms
direct load loss
electric anesthesia
electronographic detector
enter a caveat
entomber
feedback regulator
first peace treaty
flame like
fridge freezer
front-end fees
genus clostridiums
gribben
groundouts
growth promoter
Gudden's law
gular sac
hatblock
heat-carrying agent
heptadiene
hit-making
hive something off
Hlookup
hobbin
hubristically
impigrity
input power of impeller
ipomoea
jewel tone
joinson
ladfordian complex
Lagoa
maritime reconciliation
mass energy equivalence principle
mental exhaustion
merwin color screen
million
miscible displacement
morphoses
Mukdahan, Changwat
neutral conjugation
non-will
oil impregnated paper
order action detail
pad abort
pel-ebstein(disease)
peperino
pernis ptilorhynchus orientalis
phenyl-halide
physical signaling sublayer
pre-grinding
press lever shaft step
puteaux
regalists
rotary mixing dryer
rubber opener
scale models
self control
semi-primitive ring
shell paper
special teamer
Spirllotropic
subalkline rock
substation relay room
sulfur impression
symmetrical curve
timiskaming l.
tshirt
tuberculate pits
twin-six engine
undersynchronous braking
uniuersitas rerum
virulizine
wallman
washhouses
Watom I.
window-space
yarn truss