单词：magnetic core switching time
单词：magnetic core switching time 相关文章
Mini-Forum: Success in Business Preparation and Negotiation Part 1 Frank: What time is it tomorrow? Lee: Ten o'clock. Frank: So if we meet here first... Lee: Yes, if we meet here about nine and leave
疯狂英语2004年
Daisy and Herbie are chatting. (D=Daisy; H=Herbie) D: How come you were late for school again this morning, Herbie? Didn't you just buy a lazybones Alarm Clock? H: Yes, I did. D: Did you forget to set
赖世雄中级美国英语
Now, a Special English program for the New Year. I'm 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 lot of time just to choose the right one. There are lots and lots of choice
VOA慢速英语2008年（一）月
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
Idiom: nick of time 关键时刻出现，千钧一发，恰好时刻 Hit the book: Volcano Volcanologist Erupt Core Liquid Mantle Magma Crust Plate
趣味青春英语
Paul: I need a new cell phone plan. These roaming and overage charges are killing me! Shauna: I thought you had a good calling, messaging, and data plan. Paul: I do, but Im still going over each month. Shauna: Have you thought about a prepaid plan? Y
地道美语播客
This is Scientific American's 60-Second Science, I am Cynthia Graber.This'll just take a minute. On earth, snow crystals as we all know, form from frozen water. But scientists believe there're also flakes that fall on Mercury, and they're made of iro
Scientific American(六)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
Scientists Work to Understand Earth's Magnetic Field 科学家们努力了解地球磁场 Most of us rarely think about the earth's magnetic field. We might know that it helps guide birds as they travel and keeps our compasses pointing north. But, th
2015年VOA慢速英语(八)月
Satellite Will Watch Sun Storms, Send Warnings to Earth 卫星关注太阳风暴并向地球发送警报 A new satellite is travelling 1.5 million kilometers over a 110-day period to enter an orbit of the sun. It is called DSCOVR -- the Deep Space Cl
2015年VOA慢速英语(三)月
BBC Learning English Weekender Core British Values Yvonne: This is Weekender and helloIm Yvonne Archer! Now what comes to mind if I mention the term British Values? Well, thats a question several people have been pondering since the recent news head
Weekender
Switching Cell Phone Plans Paul: I need a new cell phone plan. These roaming and overage charges are killing me! Shauna: I thought you had a good calling, messaging, and data plan. Paul: I do, but Im still going over each month. Shauna: Have you thou
2012年ESL之日常生活
The loss of the magnetic field has a catastrophic impact on the planet's evolution. Mars becomes the red planet we see today. If earths magnetic protection continues to fade, would it suffer the same fate? If it vanishes completely, the planet might
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
No I think I'll stay in tonight 不 我想我今夜不会外出 Skip the conversations and the oh I'm fines 跳过那些谈话吧 我很好 No I'm no stranger to surprise 我已经习惯了这些出人意料的事情 This paper town has let me down t
听歌学英语
No, I think I'll stay in tonight Skip the conversations and the oh, I'm fines No, I'm no stranger to surprise This paper town has let me down too many times Why do I even try? Give me a reason why I thought that I could trust you, never mind Why all
音乐咖啡厅
That explained where all the sediment went. It was being returned to the bowels of the Earth. It also explained why ocean floors everywhere were so comparatively youthful. None had ever been found to be older than about 175 million years, which was a
万物简史