单词:ocean area reconnaissance satellite
单词:ocean area reconnaissance satellite 相关文章
68 科学家正在绘制洪水预报地形图 ENVIRONMENT REPORT September 14, 2001: Weather Maps For Floods (Start at 1'00
The Pentagon plans to shoot down a disabled spy satellite to prevent a potential deadly gas leak, officials said. Upon notification of the descending NRO satellite, the President and his national and homeland security advisors reviewed the options a
This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its often said we know more about the moon than we do about the depths of the ocean. There is a lot we dont know about the H2O that covers much of the pl
By Cindy Saine Washington 14 February 2008 The Defense Department says it is planning to shoot down a defunct U.S. spy satellite before it is expected to hit the Earth in early March, because of potential danger to human beings from its unburned rock
EXPLORATIONS – Satellite Photos of Mayan Ruins By Paul Thompson Broadcast: Wednesday, February 09, 2005 Paul Thompson VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with EXPLORATIONS i
EXPLORATIONS - NASAs Aquarius Satellite Will Help Scientists Learn About Salt Levels in the Sea STEVE EMBER: Im Steve Ember. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Today we tell about an American space agency proj
Satellites Study Weather Conditions, Predict Diseases 气象卫星研究天气变化可预测疾病 Meningitis is spreading across West Africa. The brain disease is a threat every year across 21 African countries. Health officials call this area, the
Glacier Bay: A Land Reborn This week in our travels through Americas national parks, we revisit the state of Alaska. The northernmost state is home to eight major national parks. Today, we visit one of its most famous parks Glacier Bay. This huge par
AS IT IS 2014-10-22 Fiber Optic Cable Measures Antarctic Ice Melt 光纤测量南极冰川融化 Antarctica is covered with ice that extends past the land and floats on the sea in thick shelves. But those ice shelves are melting quickly. As they melt
Scientists Create New Maps of Ocean Floor 科学家绘制新的海底地图 Until recently, scientists had mapped only about 20 percent of the sea floor. But our knowledge of the deep seas is changing because of information from satellites. Scientist
Sea Turtles' Lost Years Mystery Unfolds 揭秘海龟遗失岁月的秘密 Satellite tracking devices attached to young sea turtles have provided new information on the so-called lost years of this endangered species. As soon as the hatchlings emerge
Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve
By Paul Sisco Washington 09 January 2008 Recent satellite data from the U.S. Space agency NASA indicate that sea ice in the Arctic and Greenland is melting at a faster rate than previously projected. VOA's Paul Sisco has the story. Climate scientists
China's Defense Ministry has asked the US to stop conducting reconnaissance activities close to China to prevent hazardous incidents. Spokesperson Yang Yujun was responding to US claims that two Chinese jet fighters last week unsafely intercepted one
WASHINGTON, May 17 (Xinhua) -- The U.S. National Aeronautics and Space Administration (NASA) announced Tuesday that the international Aquarius/SAC-D observatory will be launched on June 9, to study interactions between ocean circulation(循环) , the
Foreign Ministry spokesman Hong Lei says China has informed Malaysia and Australia soon after a Chinese satellite spotted a large object possibly related to missing flight MH370. Satellite imagery, captured by the high-definition earth observation sa
今天我们要学的词是 reconnaissance. Reconnaissance 名词,意思是侦察。U.S. military officials say the American forces ambushed in Niger were on a reconnaissance patrol. 美国军方官员说,在尼日尔遭遇伏击的美军当时正在
U.S. envoy Glyn Davies is calling on North Korea not to carry out a nuclear test. The call comes immediately following North Korea's vow to carry out as well as aim the tests at the US. Whether they will test it or not, we hope they don't, we call on
Listen to August 3rd 2011 to hear more about the penguin Happy Feet. The Emperor Penguin, named Happy Feet, left the zoo last night. He is on board the ship, Tangaroa. This ship is used by scientists for studying plants and animals in the sea. It is