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| Chinese Abacus：World＇s Most aneient Computer | |
| 摘 要： | Chinese abacus, known as ＂suanpan＂ in Chinese, has faded out in most areas of China, as calculators and computers are widely used in modern times. But in the long history until only twenty years ago, the abacus has long been an important calculation tool for every household, |
| 关 键 词： | 中国 珠算 电脑 世界 计算工具 计算机 计算器 算盘 |
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