单词:high pressure wind tunnel
单词:high pressure wind tunnel 相关文章
23 states, nearly half the country. On Monday afternoon, thats how many were under some kind of warning or advisory for wind related to Hurricane Sandy. This is the view of Sandy from the International Space Station. Its huge. All that white stuff,th
A: Have you been having any problems lately? B: No, but the nurse at school says that I should have my blood pressure checked. A: Do you have a history of high blood pressure? B: No, I have never been told that I have high blood pressure. A: High blo
Then a strange thing happened. 然后一件怪事发生了。 The house whirled around two or three times and rose slowly through the air. 这屋子旋转了几次,慢慢地升上空中。 Dorothy felt as if she were going up in a balloon. 多萝茜觉
South Korean Smart Farm Built Inside Former Road Tunnel A South Korean company is operating the countrys largest indoor smart farm inside a former road tunnel. The farm produces fruits and vegetables hydroponically, which means the plants do not grow
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Shirley Griffith. VOICE TWO: A NOAA satellite image of Hurricane Katrina, taken on August 29, 2005 And Im Steve Ember. Powerful storms are called hurricanes when they form over the At
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. VOICE TWO: And Im Barbara Klein. Our subject today: severe ocean storms. (MUSIC) VOICE ONE: September is usually the worst month for hurricanes in the Atlantic Ocean. At
Ocean Storms Can Cause Great Damage 海洋风暴造成了巨大的损失 From VOA Learning English, this is Science in the News. Im Mario Ritter. And Im Caty Weaver. Today we tell about the science of severe ocean storms. Severe storms that develop o
By Carol Pearson Washington 22 August 2007 High blood pressure, or hypertension, is a disease usually associated with adults, but children can get it too and can have serious health problems because of it. A new study is now calling for pediatricians
VOA常速英语2014--High Blood Pressure in Young Adults Could Lead to Heart Disease 青年时血压高能导致心脏病 February is heart health month, and a new study that provides clues to young people about keeping their hearts healthy. The stud
A: Have you been having any problems lately? B: No, but the nurse at school says that I should have my blood pressure checked. A: Do you have a history of high blood pressure? B: No, I have never been told that I have high blood pressure. A: High blo
A: How have you been feeling lately? B: Ive been feeling a little light-headed lately. A: Has your blood pressure been high before? B: If I have high blood pressure, it is news to me. A: Usually people with high blood pressure have no symptoms, so we
A: Have you been feeling OK lately? B: My coach wants you to check my blood pressure. A: Has anyone ever told you that you had high blood pressure? B: I dont have any symptoms of high blood pressure. A: People with high blood pressure seldom know the
听歌学英语:The Tide Is High(Atomic Kitten) Atomic Kitten原子少女猫出道于利物浦,是一个三人少女组合。这三个美眉都是很有个性的女孩。她们发行的首支单曲Right Now,初登场即跃进排行前十的位置
By Melinda Smith Washington 12 September 2007 A recent study indicates that a disturbing number of American children with high blood pressure go undiagnosed. The study has prompted discussion worldwide about whether hypertension among children is jus
By David McAlary Washington 17 May 2007 Health groups are warning of a coming international epidemic of high blood pressure that will trigger an upsurge in heart disease, strokes, and kidney failure if not controlled. A report by prestigious U.S. and
山地气候 mountain climate 冬季季风气候 winter monsoon climate 季风气候 monsoon climate 高气压 high-pressure 锋面 frontal edge 亚热带气候 sub-tropical climate 气团 air mass 热浪 heat wave 高原气候 plateau climate 闪电 lightning 雾 fog 海滨气候 littora
The first high-speed rail tunnel linking the Chinese mainland and Hong Kong has been cut through. The 3,886-meter tunnel runs from Shenzhen City, south China's Guangdong Province to the Mai Po district of Hong Kong. The Shenzhen section of the tunnel
Northland has had heavy rain and strong winds for the past 24 hours with flooding in some areas. About 200mm of rain fell last night and it is still raining. Some farm land is flooded. Some roads and schools are closed and the police said that people
What we do know is that because heat from the Sun is unevenly distributed, differences in air pressure arise on the planet. Air can't abide this, so it rushes around trying to equalize things everywhere. Wind is simply the air's way of trying to keep