单词:difference vegetation index (dvi)
单词:difference vegetation index (dvi) 相关文章
Jana: You mentioned snow. I had no idea it snows in South Africa. Peter: Yeah, maybe I should qualify that. The central part of South Africa actually there's a range of mountains that run straight through from the northern part of South Africa right
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.
饶舌:Gym Class Heroes - Peace sign index down 相关介绍 :来自纽约的Gym Class Heroes(以下简称GCH),起源于1997年负责说及唱的Travis Schleprok McCoy与鼓手Matt McGinley在高中一同上体育课而结识为好友,两位以嘻
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
I hear Canada is very mountainous. 我听说加拿大是个多山的国家。 Yes. In the west are the famous Rocky Mountains. 是的,西部有著名的落基山脉。 What about the middle of Canada? 加拿大中部如何? The central provinces
Jana: You mentioned snow. I had no idea it snows in South Africa. Peter: Yeah, maybe I should qualify that. The central part of South Africa actually there's a range of mountains that run straight through from the northern part of South Africa right
AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: A listener, Akbar Gandi in Iran, is asking for an explanation of countable and uncountable nouns and the difference between a name and a noun. RS: English teacher Lida Baker has t
Reuters: Development in Brazil Putting Earths Environment at Risk Brazil is the largest exporter of soybeans, chicken and beef in the world. It is also a major producer of pork and corn. 巴西是世界上最大的大豆、鸡肉和牛肉出口国,也
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
Growing Minds Need Greener Spaces 研究表明孩子们学习环境需要更多绿色空间 Welcome to the Health Lifestyle report from VOA Learning English. It is not a secret that spending time outdoors is good for our health. The more we learn abo
Study: Plants May Help Women Live Longer 研究发现绿色植物有助女性长寿 Living among trees, plants and flowers can fill your life with beauty. And if you are a woman, it can also help you live longer. 居住在丛林间,你的生活会被
France, Italy to Send Military Advisers to Help Libyan Rebels NATO allies Britain, France and Italy are offering military advisers to help train Libyan rebels, as the military stalemate continues on the ground. Elsewhere, in Yemen and Syria, state cr
The Obama administration appears to be sending mixed signals on whether a second stimulus package will be needed to pull the U.S. economy out of a deep and prolonged recession. Democrats and Republicans are expressing dissatisfaction with the impact
By Jessica Berman Washington 10 April 2008 An international team of scientists has conducted an exhaustive survey of Madagascar's thousands of endangered plant and animal species. The information will be used to protect the creatures and vegetation t
Satellites Help Explain Zebra Migration 卫星帮助解释斑马的迁徙 Every year, zebras in Botswana begin a 580-kilometer migration looking for food. Even though its an annual event, researchers only had a general idea when it would start and th
In southwest Yunan province, the blaze at Anning, which began last Wednesday, has been mostly brought under control after over ninety hours. Firefighters are now struggling to put out a new fire which broke out on Saturday. A further 300 soldiers and
By Dan Robinson Washington 07 June 2007 President Bush's nominee to be special adviser on Iraq and Afghanistan says he is concerned about the Iraqi government's capacity for political reconciliation. Lieutenant General Douglas Lute also told a Senat
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
LOS ANGELES, April 18 (Xinhua) -- Sugarcane(甘蔗) has the effect of cooling temperatures(温度) , thus playing role in stemming global warming, a new study has found. Sugarcane does so by reflecting sunlight back into space and by lowering the
新托福有许多自己的特点,新托福阅读的一个重要特点之一就是同义改写(主要针对动词和形容词)。同义改写对托福阅读考试有哪些影响值得我们注意呢? 首先,同义改写会影响到定位的准确与