单词：normalized vegetation index (nvi)
单词：normalized vegetation index (nvi) 相关文章
00:04.34]Language Structure: The Subjunctive Mood [00:09.82]A:I wish I could go swimming with you this afternoon. [00:17.11]B:Aren't you going? I thought you were. [00:21.71]A:A former classmate of mine is coming to see me after lunch,so I can't go.
高中英语上外版二年级
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The most common natural disaster in the U.S. is flash flooding, which usually hits out of the not clear blue sky. Now researchers are trying to establish an early warn
Scientific American(十一)月
Vitamin D is an essential nutrient that we get through exposure to sunlight and through diet. Without enough Vitamin D, we are at risk for rickets, osteoporosis and bone fractures. Now, researchers have found that Vitamin D deficiency is also associa
VOA标准英语2010年(三月)
India's Prime Minister Manmohan Singh says he wants normalized relations with Pakistan, but that Islamabad must stop allowing its territory to be used for terrorist activities against India. Mr. Singh made the statement during an election rally in I
VOA标准英语2008年(十二月)
This is the VOA Special English Development Report. The Sahel is the area of Africa that lies between the Sahara desert to the north and more fertile land to the south. The dry plains of the Sahel are mostly treeless. Yet in Niger, one of the nations
VOA慢速英语2007年（二）月
在新托福阅读的考查中，每篇文章必会出现一类题，叫做Insert Text Questions，即插入句子题(简称插入题)。考试中，考生会遇到一句话，问该句插入文中哪里最合适。如下面例题： The raising of l
托福英语