单词:orbital position
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[00:00.00]Chapter 4 Futures [00:01.41]第四章期货 [00:02.82]Unit 7 Futures [00:05.26]第七单元期货 [00:07.71]Words and Expressions: [00:11.60]T-bond, bond,appreciate,consequence [00:19.98]prediction,futures contract [00:24.37]Dialogue Stephe
Questions for NASA after Rocket Explosion 火箭爆炸后美国国家航空航天局面临的问题 Unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from NASA video at Wallops Island, V
Virgin Spaceship Crash Raises Questions 维珍宇宙飞船失事引发诸多问题 WASHINGTON Plans to fly tourists to the edge of space could be delayed after Friday's crash of Virgin Galactic's SpaceShipTwo during a manned test flight. It is the se
Being Forced Out of a Position Julianna: Ha ha! The wicked witch is dead! Hugo: What are you talking about? Julianna: Bettina is stepping down as chairperson of the committee. I thought this day would never come. Hugo: Thats a big surprise. I never t
美国火箭爆炸,私营航天产业的挫折 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosion of a private U.S. cargo space craft shortly after it's
Voice 1 Welcome to Spotlight. Im Mike Procter. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 The year was 1707. The English shi
Julianna: Ha ha! The wicked witch is dead! Hugo: What are you talking about? Julianna: Bettina is stepping down as chairperson of the committee. I thought this day would never come. Hugo: Thats a big surprise. I never thought Id live to see the day w
Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel
By Deborah Tate Washington 31 October 2007 President Bush's nominee to be attorney general, Michael Mukasey, has told U.S. senators he does not know whether the interrogation technique known as water boarding amounts to torture. His response has rais
美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup
SCIENCE IN THE NEWS - Space Junk Threatens Earths Orbital Environment JIM TEDDER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Jim Tedder. KATHERINE COLE: And Im Katherine Cole. Today, we tell about an ever increasing number of objects in
Global Warming Could Delay Next Ice Age The next ice age could be delayed by tens of thousands of years due to excessive amounts of heat-trapping carbon dioxide in the atmosphere, which disrupts Earths natural cycle of warming and cooling, according
With Failed Launch, US Private Space Industry Suffers Setback 火箭发射失败 美国私人航天受挫 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosi
By Parke Brewer Bethesda, Maryland 06 July 2007 The inaugural ATT National golf tournament hosted by Tiger Woods got under way Thursday outside Washington in Bethesda, Maryland. VOA Sports Editor Parke Brewer reports from Congressional Country Club t
Paula Wolfson The White House says National Security Advisor Condoleezza Rice will testify in public under oath before the commission investigating the September 11 terrorist attacks. It is a big reve
The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p
By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method
WASHINGTON, March 12 (Xinhua) -- The Obama administration on Tuesday said that its position regarding the Falkland Islands, known as the Malvinas to the Argentines, remains unchanged, but acknowledged that the Falklands residents have clearly express
WASHINGTON, March 12 (Xinhua) -- The Obama administration on Tuesday said that its position regarding the Falkland Islands, known as the Malvinas to the Argentines, remains unchanged, but acknowledged that the Falklands residents have clearly express
BEIJING, Dec. 7 (Xinhua) -- China's Foreign Ministry on Friday reiterated its position on current China-Japan relations, urging the Japanese side to make tangible efforts to properly address relevant issues in order to improve bilateral ties. Spokesm