【控制系统】射频传感器

WHITE HOUSE President Donald Trumps administration wants to shut down U.S. government radio stations that announce official time, a service in operation since World War II. WWV and WWVB in the state of Colorado and WWVH on the island of Kauai in the

发表于:2018-12-01 / 阅读(213) / 评论(0) 分类 VOA标准英语2018年(九月)

Voice 1 Thank you for joining us for Spotlight! Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Fires like this

发表于:2018-12-19 / 阅读(201) / 评论(0) 分类 环球英语 Spotlight

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 What can this music do to your s

发表于:2018-12-19 / 阅读(163) / 评论(0) 分类 环球英语 Spotlight

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(221) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

发表于:2018-12-24 / 阅读(245) / 评论(0) 分类 Scientific American(十一)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(202) / 评论(0) 分类 2017年Scientific American(二)月

Iknewaguywhoplayedhisradioonlyinthemorning. Whensomeoneaskedhimwhy , hereplied,ThisisanAMradio. Notes: 1.Iknewaguywhoplayedhisradioonlyinthemorning. 我认识一个人,他只在早上收听广播。 2.Whensomeoneaskedhimwhy , hereplied,Thisisan

发表于:2018-12-26 / 阅读(200) / 评论(0) 分类 英语笑话(MP3+文本)

On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera

发表于:2019-01-02 / 阅读(278) / 评论(0) 分类 2017年VOA慢速英语(一)月

Three radio stations in the United States mainly broadcast one thing: the official time. The three are radio stations WWV and WWVB, in the state of Colorado, and WWVH, on the island of Kauai in Hawaii. They send out signals that are used by millions

发表于:2019-01-03 / 阅读(211) / 评论(0) 分类 2018年VOA慢速英语(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(239) / 评论(0) 分类 Scientific American(四)月

Robot Can Help With Farm Work 可以帮助农民干活的机器人 In the American state of Idaho, a robot moves between lines of fruit trees and grapevines. It is doing farm work. Called IdaBot, this robot is a prototype, or model. An engineering te

发表于:2019-01-12 / 阅读(539) / 评论(0) 分类 2016年VOA慢速英语(十一)月

There was a day, about 10 years ago, when I asked a friend to hold a baby dinosaur robot upside down. 大概10年前的一天,我让一个朋友头朝下地握持一个小恐龙机器人。 It was this toy called a Pleo that I had ordered, and I wa

发表于:2019-01-16 / 阅读(238) / 评论(0) 分类 TED演讲科技篇

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(218) / 评论(0) 分类 TED演讲国际问题篇

Voice 1 Hello. Im Rachel Hobson. Voice 2 And Im Mike Procter. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Welcome to our li

发表于:2019-01-19 / 阅读(202) / 评论(0) 分类 环球英语 Spotlight

Details about Samsung's next big smartwatch have been trickling out for weeks. But now a new report gives us the most detailed look yet Samsung's next wearable. 关于三星下一代智能手表的细节已流传数周。但现下有一份新报告向我

发表于:2019-02-01 / 阅读(243) / 评论(0) 分类 阅读空间

Cat lovers of the world, rejoice! You finally have the chance to understand what your pet is saying thanks to a smart collar that can interpret feline meows and translate it into human speech. Aptly named Catterbox, the collar supposedly has a digita

发表于:2019-02-04 / 阅读(247) / 评论(0) 分类 实用英语

Rumors of a successor to Xiaomi's 2016 Mi 5 flagship smartphone have begun to heat up, but the company has cooled off any hype by announcing that it will skip Mobile World Congress this year. 虽然关于2016年小米5旗舰版后续型号的传闻越炒

发表于:2019-02-08 / 阅读(205) / 评论(0) 分类 英语新闻

俄罗斯测试现代化的反潜机 MOSCOW, Jan. 5 (Xinhua) -- Russia's Northern Fleet will test a modernized anti-submarine aircraft, the Il-38N, which could be used in the Arctic region, a military official said Sunday. The plane has been enhanced

发表于:2019-02-18 / 阅读(186) / 评论(0) 分类 英语新闻

If you've ever felt threatened walking home late at night, chances are you've phoned a loved one to make sure they know you're safe. 如果你深夜步行回家时感到害怕,你极有可能向你爱的人打电话,向他们报平安。 But maki

发表于:2019-02-18 / 阅读(206) / 评论(0) 分类 阅读空间

Voice 1 Thank you for joining us for Spotlight! Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Fires like this

发表于:2019-03-04 / 阅读(245) / 评论(0) 分类 环球英语 Spotlight
学英语单词
adumbrative
aligned and expended field
Alpinia pinnanensis
animal warden
antisweat
areal type of agriculture
barred nebula
batocera rubus albofasciata
booshit
bridge control
britskas
cerium pyrochlore
character analysis
checking of routing
cinamiodyl
climbing tower crane
cold preservation
communal estate
compensation cost for land inundation and immersion of reservoir
complement element
Connection termination
consequent falls
descreens
detachable bulkhead
die seat
do time
documentary evidence of medicolegal expertise
drinking horns
ecliptic stream
Eria sinica
Facies approximalis
foist sb into a position
Histantin
hypoperistalsis
intertheoretic relation
kinswomen
Klyuchevskaya, Sopka
knurled thin nut
lawhead
Level term insurance
Li-sanism
Ligularia chalybea
London Underground Railway
marketing audit
master slave computer
meter reading
Mohr's test
monkey brains
multitools
National Congress of Parents and Teachers
necessity is the mother of invention
nociceptin
nonexcusable
O Aquarids
overflow storage
paradigmatic relations
plan of power demand and supply
plate winding
portable gasoline-powered tamper
pre-structural
pronated
radioactive waste minimization
raw material handling
recoil check spring
recrap
redundant coding
refund of duty
reinforced casting
representacin
roll vibration
Salentine
shipping pneumonias
shrinkablest
silicon lacquer
soil sement
squawfish
standard system action
stem blight
substrate cycle
suck and blow apparatus
super-standard news
superciliousnesses
telemechanism
the ginza
theine
thermoelectric outer planet spacecraft
tieger
translation speed
transmanual auscultation
turbine aerodynamics
twist rotation
twitchily
ungratifying
vane actuator
vasomodulations
vena bulbi vestibulis
Waitangi Day
wambui
weltht
wet seed washer
zonal pressure belt