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Glasslike silicon dioxide has been the insulator of choice in electronic chips since 1959, when Bob Noyce cobbled together the first silicon integrated circuit--wires and switches etched into silicon insulation.
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。