单词：Grassmann manifold
单词：Grassmann manifold 相关文章
There a hold in the middle of the ground. The prettiest hold that you ever did see. Well, a hole in the ground. CHORUS And the green grass grew all around and around. And the green grass grew all arou
VOA标准英语2017年(一月)
Millions of Americans enjoy playing golf, but golf courses are not known to be environmentally-friendly. They demand a lot of fresh water, fertilizers and herbicides to keep them looking green. That's true of most golf courses, but let's look at one
国家地理2007年
AS IT IS 2015-11-07 Nigerians Say Oil Company Left Spills Behind 尼日利亚村民称石油公司未能清理泄漏 Villagers in the Niger River Delta area of Nigeria say they live in unclean conditions because oil companies have not cleaned up spil
2015年VOA慢速英语(十一)月
BERLIN, Jan. 10 (Xinhua) -- German Olympic champion Jonas Reckermann said Thursday that he will retire from beach volleyball due to back problems. Reckermann announced his retirement on the website of the German Volleyball Federation decision is very
英语新闻
There's no simple answer to what constitutes 'smart'. These days, we're inclined to think you can't go by intelligence quotient (IQ) results alone, because while these tests are great for measuring separate mental faculties, an IQ number doesn't seem
阅读空间
There's no simple answer to what constitutes 'smart'. These days, we're inclined to think you can't go by intelligence quotient (IQ) results alone, because while these tests are great for measuring separate mental faculties, an IQ number doesn't seem
阅读空间