单词:altitude control device
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Narrator: Radio Item 6: Welcome to 'Inventors' Corner'. This week we take a look at an invention that may well change the way in which you listen to your television set. Four years and twenty thousand pounds later, Susan Schofield of Cardiff, Wales,b
脊椎植入装置改变瘫痪者生活 Severe spinal cord injuries usually lead to total loss of control of lower extremities, as well as bladder, bowel and sexual functions. But scientists at the University of Louisville, Kentucky, say an implanted
By Melinda Smith Washington, DC 20 July 2006 watch Implanon report The U.S. Food and Drug Administration has approved a new birth control device for American women. The device is called Implanon. It already is being used by two and a half million wo
We were walking to work this morning, and just out of blue, this happened. We saw the helicopter, hit the crane at the top of the building. And there was a loud crack, and then the helicopter was spinning, out of control, and incredibly toward us, I
Sudden snowfall earlier this week blocked a national highway in Xinjiang Uygur Autonomous Region. The local traffic control department worked nearly 20 hours to clear the snow, and traffic in the area has now returned to normal. The snow started arou
Chinese Academy of Sciences successfully launched a new sounding rocket, Kunpeng-1B, in Hainan Danzhou early Wednesday. The rocket reached a flight height of 300 kilometers for the first time. Its arrow configuration of altitude control system and ca