单词：radio sound signal
单词：radio sound signal 相关文章
(MA) These days we take for granted the wide variety of music available on the radio. But, this wasn't always the case. In the early days of radio, stations were capable of broadcasting only a narrow range of sounds, which was all right for the huma
托福听力短文
EDUCATION REPORT - The Many Sounds of College Radio By Jill Moss / Broadcast: Wed, 31 Oct 2007 16:00:00 UTC This is the VOA Special English Education Report. The band Coheed and Cambria performing at the WBRU studio No two college radio stations sou
VOA慢速英语2007年（十一）月
VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English. This week, we hear some unusual sounds from space. Scientists created them by taking radio wave observations and turning them into sound waves
VOA慢速英语2008年（一）月
A Story Happened on An Uninhabited Island The only survivor of a shipwreck was washed up on a small, uninhabited island. He prayed feverishly for God to rescue him, and every day he scanned the horizon for help, but none seemed forthcoming. Exhausted
英语美文
Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a
国家地理2008年
EXPLORATIONS - International Consumer Electronics Show Presents Latest Technology and Products from 2,500 CompaniesBy Dana Demange Broadcast: Wednesday, January 25, 2006 (MUSIC) VOICE ONE: I'm Pat Bod
2006年慢速英语（一）月
Astronomers: Evidence Found of First Stars Astronomers have observed what they believe is the formation of the universe 13.6 billion years ago, when the earliest stars were just starting to shine. The astronomers say their observations may also have
2018年VOA慢速英语(三)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? [Radio sound:] Northeast 480 you are cleared for landing, Northeast 480 you are cleared for landing. That same radar technology that guides aircraft and tracks hurrica
Scientific American(十二)月
Song：Sound Of The Underground Artist：Girls Aloud Disco dancing with the lights down low Beats are pumping on the stereo Neighbours banging on the bathroom wall Your sayin' crank the bass I gotta get some more Waters runnin' in the wrong direction
英语热力歌曲
And clearly, we are trying to find evidence of ET, and we are trying to do that by looking for a signal, in whats called the electromagnetic spectrum, which is a fancy way of saying the radio dial, at least for us. Let me turn on my radio here, okay,
自然百科2008年
Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe
英语新闻
Science and technology 科学技术 Searching for aliens 寻找外星人 The wow factor 防止再次意外 A new citizen-science project will improve the chances of finding ET 一个新的平民科学项目可以增大找到地外智慧的机会 EVER
经济学人科技系列
A Story Happened on An Uninhabited Island The only survivor of a shipwreck was washed up on a small, uninhabited island. He prayed feverishly for God to rescue him, and every day he scanned the horizon for help, but none seemed forthcoming. Exhausted
英语美文
A state-owned radio station's signature tune is about to be approved as China's first sound trademark. The State Administration for Industry and Commerce (SAIC) said on Sunday that it has reviewed the application from China Radio International and pl
2016CRI中国国际广播电台
What do the names Whirlpool, Black Eye, and Sombrero all have in common? Are they all appliance brands, names of galaxies, special ops forces, or oceanic reefs? These are all the names of galaxies, massive concentration of stars. AZUZ: Of course, the
CNN美国有线新闻2019年1月
But heres a mystery: When you press pause on the VCR, the screen doesnt go blank. Instead, you get a frozen image. Remember, you need a changing magnetic signal to create even a still video image. If the video tape isnt moving, where is this changing
英语时差8，16
Although audio tapes and video tapes look different, theyre based on the same principles. Each has a roll of magnetic material which slides past the so-called playback head in the VCR or cassette deck (cassette decks have one playback head, VCRs have
英语时差8，16
How Your VCR holds a Note VCR-盒式磁带录像机VCR是Video Cassette Recorder的缩写盒式磁带录像机。就功能上而言，它是使用空白录像带并加载录像机进行影像的录制及存储的监控系统设备。VCR作为许多晚会
英语听力文摘 English Digest