标签：magnetic 相关文章
lounge loyal loyalty lump lure luxury magic magnetic magnificent magnify magnitude maintain malignant management manifest manipulate manner manual manufacture manuscript margin marginal mask mass massacre massive masterpiece mate mature maximum mean
2009年星火考研词汇核心突破
The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(
新东方背诵文选
WORDS AND THEIR STORIES - Choosing the Right Calendar Takes Time 词汇典故 - 新年特别节目：买本日历正当时 Now, a special WORDS AND THEIR STORIES for the New Year. I'm Faith Lapidus. 现在是美国之音慢速英语词汇典故新年特
2012年VOA慢速英语(一)月
By Paul Sisco Washington 30 March 2007 watch NASA Sun Study Several times each year, scientists and administrators at the US. Space Agency's headquarters in Washington, unveil their most recent discoveries and activities, and plans. VOA's Paul Sisco
2007年VOA标准英语（三月）
中文 英文 缩写 串/并变换 Serial/Parallel conversion S/P 串接监视 Tandem Connection Monitor TCM 串口线 serial port line 串联线路接口协议 Serial Line Interface Protocol SLIP 串行
电信英语
Rosetta Project Aims to Save Languages for Future Generations Welcome to American Mosaic from VOA Learning English! Im June Simms. On the show today, we play songs from a new album by Edward Sharpe and the Magnetic Zeros. We also hear about a creativ
2013年VOA慢速英语(八)月
Elvis, Marilyn Monroe, Trains, Cats and Dogs -- They're All on Calendars Now, a special Words and their Stories for New Years. Im Faith Lapidus. The New Year is the time for new beginnings. It is also the time to buy a new calendar. Yet it can take a
2014年VOA慢速英语(一)月
EXPLORATIONS - NASAs Aquarius Satellite Will Help Scientists Learn About Salt Levels in the Sea STEVE EMBER: Im Steve Ember. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Today we tell about an American space agency proj
2011年VOA慢速英语(六)月
New Skateboard Defies Gravity WASHINGTON A futuristic dream only a couple of decades ago, the hoverboard a skateboard that floats above the ground - has finally been made possible. While still not ready for mass production, it promises to become a co
VOA标准英语2014年(十一月)
科学家研究地球磁场 WASHINGTON Most of us hardly ever think about the Earth's magnetic field. We might be aware that it helps guide birds as they migrate and ensures that our compasses point north, but not realize that it is one of the crucia
VOA标准英语2015年(十二月)
Astronomers have detected the brightest explosion ever witnessed in the heavens. It was a flash of light from across our galaxy so powerful that it bounced off the Moon and illuminated Earth's upper atmosphere. The researchers say if the blast had oc
VOA双语新闻 Bilingual News
During its magnetic cycle, the Sun undergoes periodic changes in activity. Every 11 years, it enters solar maximum. This 11 years cycle of solar activity has peaks where theres lots of solar storms. And right now where the sun is taking a little napp
自然百科2011年
Six years later, they come to believe these light flashes are the results of high energy, heavy cosmic rays penetrating the spacecraft and the crew members' eyes. These/ protons or electrons, just very, very high energy, ripped / part of atoms, sprin
自然百科2011年
If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an
自然百科2011年
Scientists believe that the South Atlantic Anomaly, is a sign of a global decline in the magnetic field. Evidence of this comes from a surprising source. Dr. Mimi Hill uses pottery to uncover the secrets of earth's magnetic past. Ancient pots tell us
自然百科2011年
Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen
自然百科2011年
As the vast sphere reaches / maximum speed, something incredible happens. Huge lines of magnetism arc in and out of the model core. Well, we can't see the magnetic field coming out of the experiment, we can measure them, we can put many different mag
自然百科2011年
Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is
自然百科2011年
Why do we always want to go faster? I am talking about travel. We want our cars, trains and planes to get us to places quicker. This century, there's been a rise in high-speed rail travel as people have seen the benefits of this form of transport. I
英语听力精选进阶版
Voice 1 Welcome to Spotlight. Im Robin Basselin. 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 3 Monday morning in Tokyo, J
环球英语 Spotlight