单词:Seifert fiber space
(topology, chiefly US) A fiber bundle whose fiber is the circle and whose base space is a two-dimensional orbifold
单词:Seifert fiber space 相关文章
Oh ,let me think for a moment . [00:03.79]噢,让我想一会儿。 [00:07.58]I haven't a clue ,I 'm afraid. [00:12.15]我没有线索,很抱歉。 [00:16.72]I'm not really sure ,sorry . [00:20.87]我真说不准。对不起。 [00:25.03]I'm terr
Broadcast: Jan 29, 2003 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a space rock that
CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell about American plans for space exploration after the space shuttle program. We tell how more and more
section 3 Taking messages 留言 Good afternoon, CCL press.Jennisse speaking, How can I help you? 午安, CCL press. 我是Jennisse. 有什么可以为您服务? Good afternoon, I'm looking for Mr. Alfert Li. 午安,我找Alfert Li 先生. Oh, I'm so
Authority say a gunman and another person are dead, two others were wounded today following a shooting at a medical center in Rino Nevada. While the incident is still being investigated the authority say a man entered the center for advance medicine
Your nose may be the first place you think of as a source of mucus. But mucus is a major player in your gut, too. There's antimicrobial peptides and proteins that are present in there. Bacteria live in there and forage on the carbohydrates. And it's
Simple Network Management Protocol (SNMP) SNMP is the application protocol offering network management service in the Internet suite of protocols. A structure for formatting messages and transmitting
By Kevin Billinghurst Stockholm 09 October 2007 The 2007 Nobel Prize for Physics has been awarded to Albert Fert of France and Peter Gruenberg of Germany for discoveries that have helped fuel explosive growth in the storage capacity of computer hard
By Melinda Smith Washington 18 July 2007 We are going to find out about two studies on breast cancer. One studied whether a diet very high in fiber and low in fat could reduce the risk of recurring breast cancer. Another study focused on women with a
By Jim Teeple Washington 29 March 2007 Britain continues to insist that it was within Iraqi territorial waters when Iranian Revolutionary Guards seized two small patrol craft and 15 sailors and marines. Iran maintains the boats were in Iranian waters
Related Links: 2010 National Engineers Week Future City Competition Davidson IB Middle School U.S. Space and Rocket Center Space Camp On the third and final day of the 2010 Engineers Week Future City Competition regional winners from 39 schools, alon
RACHEL MARTIN, HOST: The Food and Drug Administration is set to decide soon on a matter that could help you rethink fiber. Yeah, we're talking about fiber. We're told to eat a whole lot more of it. It's good for us, right? But what exactly counts as
On a cold October day this year in China's Inner Mongolia Autonomous Region, about 100 scientists were busy preparing to test their independently developed high-altitude airship. After a 22 hour flight around 20 kilometers above the earth, the airshi
By Alex Villarreal Washington 25 October 2007 The U.S. space shuttle Discovery has docked at the International Space Station, marking the next phase in a complex mission to expand the international orbiter. VOA's Alex Villarreal reports from Washingt
Working in Project Space One of the givens in David Allens Getting Things Done is that you cant do a project. Instead, Allen recommends you break projects down into immediate next actions, discrete doable chunks that can be cranked through with a min
MOSCOW, Oct. 24 (Xinhua) -- The Russian Space Agency Roscosmos confirmed on Monday the list of next crew members who will fly to the International Space Station (ISS) on Nov. 14. Russia's Soyuz TMA-22 spacecraft will bring Russian cosmonauts Anton Sh
BEIJING, Nov. 3 (Xinhua) -- Two Chinese spacecraft accomplished the country's first space docking procedure early Thursday, silently coupling in space more than 343 km above Earth's surface. Nearly two days after it was launched, the unmanned spacecr
JIUQUAN, June 16 (Xinhua) -- She is a wife. She belongs to China's one-child generation. On Saturday, 33-year-old Liu Yang becomes the country's first woman entering space. The home-grown Shenzhou-9 spacecraft, atop an upgraded Long March-2F carrier
Chinese Academy of Sciences successfully launched a new sounding rocket, Kunpeng-1B, in Hainan Danzhou early Wednesday. The rocket reached a flight height of 300 kilometers for the first time. Its arrow configuration of altitude control system and ca