单词：numerical control device
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[00:00.00]notation [00:06.15]notation [00:08.03]n. 记号法,表示法,注释 [00:15.21]notation [00:17.09]notorious [00:24.18]notorious [00:26.25]a.臭名昭彰的 [00:34.05]notorious [00:36.12]notwithstanding [00:46.80]notwithstanding [00:49.00]pre
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19 childrens numerical skills people appear to born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning t
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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
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Spinal Implant Helps Paraplegics Regain Some Functions 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 t
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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
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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
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