单词：normalized difference vegetation index (ndvi)
单词：normalized difference vegetation index (ndvi) 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
原版英语对话1000个
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
[00:00.00]VI Education Status 3 [00:02.17]六、教育状况（3） [00:04.34]Model Sentences [00:05.49]典型例句 [00:06.64]What kind of activities were you involved in? [00:08.63]你曾经参加过哪些课外活动？ [00:10.63]Were you in a lea
求职英语
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
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
旅游英语口语就该这么说
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
英语趣味课堂
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
2018年VOA慢速英语(九)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
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
2015年VOA慢速英语(七)月
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
2016年VOA慢速英语(五)月
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
VOA常速英语2008年（四月）
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
VOA常速英语2013年(八月)
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
CCTV9英语新闻2014年05月
VI. 书面表达（满分30分） 为了丰富外国留学生的生活,你校学生会将举办一次音乐周活动。请你以组织者的身份写一个书面通知书。有关内容如下: 时间:
实用英语
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
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
英语新闻
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
托福英语