单词：ieee 802.5
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Air interface tailored to minimize current consumption Basic Technical Information—Based upon a small, high performance integrated radio transceiver, each of which is allocated a unique 48-bit addre
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（Motorola Inc ），原名：Galvin Manufacturing Corporation，成立于1928年。1947年，改名为Motorola，从1930年代开始作为商标使用。总部设在美国伊利诺伊州绍姆堡，位于芝加哥市郊。世界财富百强企业之一
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英特尔公司[1] ，是美国一家主要以研制CPU处理器的公司，是全球最大的个人计算机零件和CPU制造商，它成立于1968年，具有46年产品创新和市场领导的历史。1971年，英特尔推出了全球第一个微处
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Motorola is a manufacturer of wireless mobile phones, two-way radios, microprocessors and wireless network infrastructure equipment. Its website says: Motorola is a global communications leader powered by a passion to invent and an unceasing commitme
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Intel Corporation is a technology company based in Santa Clara, California. It is the world's largest semiconductor chip maker and the inventor of the x86 series of microprocessors that are found in most personal computers. The company was founded in
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Tree Electricity Runs Nano-Gadget A report in the journal IEEE Transactions on Nanotechnology shows that maple trees generate a small, but measureable amounts of electricity, which can power tiny devices. Karen Hopkin reports If scientists have thei
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The price(s) of some personal computers are likely to drop, following drastic cuts this week on some Intel and AMD microprocessors. At the same time Intel unveiled a new line of processors that are much faster than with their previous chips. NPR's W
2006年NPR美国国家公共电台
Engineered devices are all around us. From cell phones and computers to hybrid cars and deep-water oil platforms, advances in engineering are profoundly changing our lives. But concerns are growing that public understanding of how these technologies
VOA标准英语2010年(七)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? [Radio sound:] Northeast 480 you are cleared for landing, Northeast 480 you are cleared for landing. That same radar technology that guides aircraft and tracks hurrica
Scientific American(十二)月
How Relevant Are Computing Behemoths? Your basic personal computer has one microchip at its core. The Central Processing Unit, or CPU, executes a set of commands contained in a predesigned program. The first supercomputers had a few more CPUs, but co
VOA标准英语2013年(七月)
The trend in data storage is even more impressive. In the early 80s, the standard unit of computer storage, one mega-byte, or one million bytes of information, cost about 100 dollars. Today, it is 10 cents. In two years, it will cost 2 cents. 数据存
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Engineered devices are all around us. 我们身边全是机械电子产品。 From cell phones and computers to hybrid cars and deep-water oil platforms, advances in engineering are profoundly changing our lives. But concerns are growing that public
VOA双语新闻 2010年8月