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The history of the modern computer is relatively short but for at least two millennia， the abacus was the calculating device of choice.It was recently listed by UNESCO as bein商務中心g part of the world's intangible cultural heritage.
——Andrew Turner
算盤 室內裝潢（桿與珠）
現代電腦的歷史相對短暫，但是作為計算設備的算盤，至少有兩千年的歷史。聯合國教科文組織最近將其納入世界無形的文化遺產。支票貼現 （原標題：Rods and beads）
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