counting rod
名词 n.
英文释义
名词 n.
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One of a set of small bars, used by mathematicians in some Asian countries, placed either horizontally or vertically to represent any number and any fraction.
— In recent archaeological excavations a number of ancient counting-rods have been unearthed. More than 30 rods were found in August 1971 in Qianyang County of Shaanxi Province.Ancient China's Technology and Science
词形变化
词源
Calque from Chinese 算籌/算筹 (suànchóu).
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数据来源: Wiktionary