单词:high-velocity-electron camera tube
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Electronics Show Displays Newest Gadgets CES国际消费电子展展示新奇玩意儿 Thousands of people were in the American state of Nevada earlier this month for the Consumer Electronics Show. The CES is the worlds biggest show for electronic de
Alex Chadwick: From NPR News, it is Day to Day. The wonders of modern medicine often do cost us a little something in personal dignity. Think of this word, colonoscopy , if you haven't had the occasion to sample the procedure yet, you will know what
In today's Tech Bytes, the worlds largest cellphone maker is said to release its first laptop(笔记本电脑) in the US. Nokia starts taking orders on the booklet 3G beginning October 22th.It will run Microsoft's new Windows 7 software, have a ten-inch
Google Launches New Pixel Smartphone Google has announced its first smartphone designed in-house, the Pixel. The company showed the new phone to the world during a launch event Tuesday in San Francisco, California. So today, Im very excited to introd
BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn
RACHEL MARTIN, HOST: Astronomers are building the world's largest digital camera to capture images of the night sky. This thing is two stories tall, a scientific marvel. So of course NPR's science correspondent Joe Palca traveled to California to che