超高频功率信号发生器

MIT Scientists: Robots Will Soon Be Able to Run Like Cheetahs 麻省理工学院研制出动如猎豹的机器人 Scientists have been experimenting with four-legged robots for years, trying to see if they could be used as pack animals for carrying h

发表于:2018-11-29 / 阅读(167) / 评论(0) 分类 VOA标准英语2014年(十二月)

科学家研制奔跑如猎豹的机器人 Scientists have been experimenting with four-legged robots for years, trying to see if they could be used as pack animals for carrying heavy loads over a difficult terrain. But the machine's power requiremen

发表于:2018-12-02 / 阅读(144) / 评论(0) 分类 VOA双语新闻 2014年12月

The new gasoline/electric hybrid Chevrolet Volt Today President Obama visits a U.S. auto plant that makes the battery-powered Chevrolet Volt. Some analysts think the Volt could revitalize the struggling American auto industry with its high-tech batte

发表于:2018-12-08 / 阅读(141) / 评论(0) 分类 VOA标准英语2010年(七)月

It starts with a blip, a beep, a noise, a pattern, a signal. It could be anything - ink on paper, machine data, or even the words flowing through your minds right now. Signal generators play an important role in testing devices we use every day. The

发表于:2018-12-11 / 阅读(190) / 评论(0) 分类 英语解说豆知识2011年

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(185) / 评论(0) 分类 2011年VOA慢速英语(十)月

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(159) / 评论(0) 分类 电信英语

Delay - This is the wait time between to specific events, and regarding satellite communications, it is the time it takes for a signal to go from the transmission station up to orbit and through the s

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 电信英语

Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic

发表于:2019-01-03 / 阅读(159) / 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(167) / 评论(0) 分类 电信英语

Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 电信英语

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(228) / 评论(0) 分类 电信英语

AT Command - This is the character

发表于:2019-01-03 / 阅读(149) / 评论(0) 分类 电信英语

中文 英文 缩写 多功能话务台 Multi-function Attendant Console MAC 多功能信息分配系统 Multi-function Information Distribution System MIDS 多级存储管理 multi-tier hierarchical

发表于:2019-01-03 / 阅读(165) / 评论(0) 分类 电信英语

Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t

发表于:2019-01-12 / 阅读(217) / 评论(0) 分类 2015年VOA慢速英语(七)月

AS IT IS 2015-09-08 Missile Silos Turned into 'Survival Condos' 导弹发射井变成生存公寓 When looking for a new home, many people consider things like the safety of the area, the nearness to public transportation or the quality of the neighb

发表于:2019-01-12 / 阅读(138) / 评论(0) 分类 2015年VOA慢速英语(九)月

High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are

发表于:2019-01-14 / 阅读(189) / 评论(0) 分类 VOA标准英语2014年(四月)

China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co

发表于:2019-01-19 / 阅读(228) / 评论(0) 分类 2017CRI中国国际广播电台

the previous show Don and Yael discussed communication from other worlds. Well, as it turns out if E.T. does try to phone it will be much more complicated than can you hear me now? D: Okay, Yael, so suppose one day scientists pick up a transmission t

发表于:2019-02-23 / 阅读(161) / 评论(0) 分类 英语时差8,16

Here you go, Mr. Scott. Okay. 斯科特先生,给你。好 Oh, this must be really messing their heads up. 这个肯定能扰乱它们的攻势 The frequency's still locked in place. 频率还锁定在这个地方 How are you feeling? 你感觉怎样

发表于:2019-03-02 / 阅读(295) / 评论(0) 分类 陨落星辰第一季

I guess those Mech bullets really work, huh? Ben. 看来械甲金属弹真的有用。本 Everybody get down! Get down! 大家蹲下,隐蔽 Call out your ammo! 清点弹药 I got two. Three shots left. 还有两发。剩三发 Four. How many more w

发表于:2019-03-02 / 阅读(300) / 评论(0) 分类 陨落星辰第一季
学英语单词
a purple passage
acromegaloidisms
actio in rem
all is over
atilius
atomizer
Aït Ourir
Bav
beer run
boresight shift
button punch
chromatophortrophin
circulating pump
clearance through customs
Commodity Exchange Authority
common markets
compole (commutating pole)
cotton base area
crumple zone
currency area
D of L
drainage rate
earthquake swarm
electric refrigerator
energy utilization
ethyl parahydroxybenzoate
fimbristylis aestivalis aestivalis
form-books
fts
genus Stanleya
government budget constraint
hand-knittings
hanging figures
hematin-protein
herring flesh
heterosporium variabile cooke
hierarchical dialogue structure
hotels sectorial index
hovering in ground effect
hydraulic ash removal
hyperbolic paraboloid shell
important to
indeared
indirect heating surface
inertial-turbulent flow effect
influenciary
integrated optical channel
intraosseous anesthesia
Iresine
japan tallows
jukebox storage
Julio-Claudian dynasty
kenoi
l-Butyl-3-metanilylurea
lamentatory
lightning mark
lipomatous myxoma
long-offset sounding
lordgan (lordegan)
louisiade
mancebo
mangrove marsh
marguerite radclyffe halls
membrum virile
monochrome TV
moving-coil microphone
multisection optical amplifier
muscular part
neutron detector
nonoil developing countries
nonuniformity of illumination
official foreign currency deposit system
oval orifice
Parietti's bouillon
philomath
pickup shaft
pilose pappus
pressure charging
Prismatomeris
propeller reinforcing girder
protective protein
put value
r.v
radioactivity in meteorites
red-blue complete graph
safety-deposits
soft hands
spectacled
syrrhaptes paradoxuss
teacher-pupil ratio
tertiary nitrogen
TESSA-only Individual Savings Account
translative pressure
uncaps
undecayable
upper berth
variable operating conditions
voltage control
walkie talkie set
Wetlab
wilchester
zapote