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Encyclopedia
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单词使用度
综合反映单词的出现频率和扩散率两方面情况的计算指标。1964年由斯坦福大学的学者A.尤兰德(Alphonse Juilland,罗马尼亚/美国,1922~2000)和E.陈-罗德里格斯(E. Chang-Rodriguez,秘鲁,1924~2019)在计算西班牙语的词汇频率时提出。
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nonmetallic materials
nonmetallic materials for civil engineering
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nonmetallic minerals
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nonmetal-lined equipment
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non-metric camera
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科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2026/7/18 3:32:45