单词：trigonal hybrid orbital
单词：trigonal hybrid orbital 相关文章
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
2014年VOA慢速英语(十)月
By Mil Arcega Washington, DC 28 April 2006 watch Mass Transit report Metrobus powered by hybrid electric technology Bus companies in the United States are reporting an increase in ridership as high fu
2006年VOA标准英语（四月）
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
VOA标准英语2014年(十一月)
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
VOA双语新闻 2014年10月
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
(科普英语)Earth and Sky
Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov
60秒科学
On Mondays, we report on the business of technology. Record oil prices and record gas prices are inspiring some Americans to rethink the technology they use in their transportation. People who must drive do have alternatives to the gasguzzling SUV an
2005年NPR美国国家公共电台
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
英语新闻
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
2011年VOA慢速英语(九)月
SHIRLEY GRIFFITH: Im Shirley Griffith. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Starting this Friday, the auto industry will show off more than nine hundred of its latest vehicles at the LA Auto Show in Los Angeles, C
2010年VOA慢速英语(十一)月
By Nick Wadhams Nairobi 23 July 2007 Sudan's government is warning that it will not accept a joint United Nations and African Union force that has the mandate to use all means necessary - including force - to keep the peace in Darfur. As Nick Wadhams
2007年VOA标准英语（七月）
By Noel King Khartoum 29 May 2007 Sudan says President Bush is unjustified in his decision to impose new sanctions on Khartoum because of the situation in Darfur. Before the sanctions were even announced at the White House on Monday, Sudanese officia
2007年VOA标准英语（五月）
By Naomi Schwarz Dakar 25 May 2007 A rebel leader in the Central African Republic says about1,000 rebels from a rival group have occupied a town near the border with Sudan. The men are reported to be part of a splinter organization within the Union o
2007年VOA标准英语（五月）
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
VOA标准英语2012年(一月)
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
VOA标准英语2014年(十月)
Hybrid (feat. John Graham) - Choke Choke You choke it but you know It comes back when you're sleeping Cuts you in the dark Burn The city is too bright I'll stay here with my secrets Until it fades to dust I'll stay here with my secrets Sink Into the
影视英文歌曲
The Chimera Quandary: Is It Ethical To Create Hybrid Embryos? RAY SUAREZ, HOST: Now it's time for our regular feature Words You'll Hear, where we try to understand what's happening in the news by parsing some of the words associated with it. This wee
2016年NPR美国国家公共电台8月
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
实用英语
AGRICULTURE REPORT - Hybrids By Broadcast: Tuesday, June 08, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Since ancient times, farmers have chosen the seeds for the coming
农业与发展
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
2006年VOA标准英语（七月）