双数 Even number 罗马数字 Roman numeral 数学 mathematics, maths(BrE), math(AmE) 公理 axiom 定理 theorem 计算 calculation 运算 operation 证明 prove 假设 hypothes...
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Roman Numeral Converter 国际单位转换
以上来源于: WordNet
N-COUNT Roman numerals are the letters used by the ancient Romans to represent numbers, for example I, IV, VIII, and XL, which represent 1, 4, 8, and 40. Roman numerals are still sometimes used today. 罗马数字 [usu pl]
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