单词：quaternion hyperbolic space
单词：quaternion hyperbolic space 相关文章
This is Mars on Earth, a station that was built to help us learn how to live on the red planet. A group of explorers and NASA scientists are spending the next two weeks inside this habitat, trying to figure out how people will live on Mars. The NASA
自然百科2008年
Atlantis Crew Ready for Final Shuttle Mission The end of an era is near. The U.S. space shuttles - the complex workhorses of the U.S. space program - are being retired so NASA can focus on developing spacecraft that can travel beyond low-Earth-orbit.
VOA标准英语2011年(七月)
As Discovery begins its 39th and final mission into Earth's orbit Thursday, America's 30-year space shuttle program comes one step closer to its scheduled end this April. The aging fleet of reusable spacecraft has become an American technology icon,
VOA标准英语2011年(二月)
分集介绍：指数,log,对数微分;双曲函数 Exponential.and.log.Logarithmic.differentiation;.hyperbolic.functions
麻省理工学院公开课：单变量微积分
Atlantis Crew 'Honored' to Be On Final Shuttle Mission The space shuttle Atlantis is preparing for the final mission of the U.S. shuttle program next month. Atlantis's crew is excited and reflective before the space craft's last flight. The crew, led
VOA标准英语2011年(六月)
As the world observes the 40th anniversary of the historic moon landing on July 20, 1969, the U.S. agency that accomplished that feat is working on plans for a return to the moon and an even more ambitious plan to use the moon as a base for missions
VOA标准英语2009年(七月)