单词：scanning electronic microscope (sem)
单词：scanning electronic microscope (sem) 相关文章
High-Resolution Microscope Brings Tiny Worlds Closer to Researchers 高分辨率显微镜让研究员更好观察小世界 Modern microelectronic devices contain billions of components crammed into thumbnail-size flakes. The chemical industry uses na
VOA标准英语2015年(十月)
Plain White T's献唱《科学怪狗》原声《Pet Sematary》 流行朋克乐队Plain White T's推出的全新单曲《Pet Sematary》被选为泥塑动画片《科学怪狗(Frankenweenie)》原声，这首歌在风格上与影片很搭调，欢乐的
格莱美获奖歌曲
[00:00.00]Lesson 4 Atom [00:01.95]原子 [00:03.89]The really strange thing about atoms is that most of us will never see one. [00:08.87]原子最奇特之处在于绝大多数人永远也无法看到它。 [00:13.84]Atoms are so small that it's impo
赖世雄学英语第四册
Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent
2018年VOA慢速英语(三)月
After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog
Scientific American(六)月
THIS IS AMERICA - Debate Over Electronic Voting By Jill Moss Broadcast: Monday, July 05, 2004 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Gwen Outen. VOICE TWO: And I'm
This is America
The Diamond Lens by Fitz-James O'Brien, Part Two 钻石镜头 by 菲茨詹姆斯奥布莱恩 Ⅱ Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Jo
2015年VOA慢速英语(七)月
'The Diamond Lens' by Fitz-James O'Brien, Part Two 钻石透镜 II by 菲茨詹姆斯奥布赖恩 Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice J
2016年VOA慢速英语(九)月
iPhone Becomes Low Cost Microscope The Apple iPhone can be used for lot of things making calls, playing games and sending pictures, video and text. Scientists say it also can be converted into a low-cost microscope to detect worm-related infections i
VOA标准英语2013年(三月)
高清显微镜探索微型世界 Modern microelectronic devices contain billions of components crammed into thumbnail-size flakes. The chemical industry uses nanoparticles to make better cleaning products, while pharmaceutical companies use them for
VOA标准英语2016年(一月)
AMERICAN STORIES - The Diamond Lens, Part OneBy O'Brien, Fitz-James Broadcast: Saturday, April 01, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called
2006年慢速英语（四）月
AMERICAN STORIES - The Diamond Lens, Part TwoBy Fitz-James O'Brien Broadcast: Saturday, April 08, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Di
2006年慢速英语（四）月
By Nico Colombant Dakar 13 April 2007 In the West African nation of Senegal, as in many of the poorest parts of the continent, horse carts still make up an essential part of daily life. They are used to move people, belongings and materials from plac
2007年VOA标准英语（四月）
WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n
英语新闻
By Phuong Tran Dakar, Senegal 13 August 2007 Ousmane Sembene, the Senegalese film director and novelist who died this past June at age 84, is widely known as the father of African cinema. But before he was recognized for films that protested coloniz
2007年VOA标准英语（八月）
By Selah Hennessy Dakar 11 June 2007 Senegalese filmmaker Ousmane Sembene is being buried in Dakar as praise is being showered from across the world on his career. Selah Hennessy reports from Dakar his death at the age of 84 also leaves a void, revea
2007年VOA标准英语（六月）
With consumers rushing to buy the latest gadgets, the problem of what to do with discarded electronic products is becoming a growing environmental concern. Although electronic recycling is not yet as popular as paper and plastic recycling, two Americ
VOA标准英语2010年(七)月
How could you say you know who I am? Do you ever wonder why I'm here? The thoughts play back in your head like a film that has been stick on repeat. Imagine that this picture of me is painted for you. A portrait is made to hold a moment and moments w
英文摇滚歌曲
歌词： Under the arc of a weather stain boards, Ancient goblins, and warlords, Come out of the ground, not making a sound, The smell of death is all around, And the night when the cold wind blows, No one cares, nobody knows. I don't want to be bur
英文最新流行歌曲
Plain White T's献唱《科学怪狗》原声《Pet Sematary》 流行朋克乐队Plain White T's推出的全新单曲《Pet Sematary》被选为泥塑动画片《科学怪狗(Frankenweenie)》原声，这首歌在风格上与影片很搭调，欢乐的
流行英文歌曲