尾随 发表于 2025-3-28 16:26:43

K. J. Collins,J. C. Easton,S. D. Rowlands,J. S. Weiner there was a need to develop a device to do the mathematics quickly. This led to the invention of the abacus, the device many believe was the mother of the digital computer as we know it today, between 1000 B.C. and 500 B.C.Without performing actual calculations, the abacus helps the person using it

结束 发表于 2025-3-28 21:12:37

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上下倒置 发表于 2025-3-28 23:53:46

H. Hensel,K. Schafer there was a need to develop a device to do the mathematics quickly. This led to the invention of the abacus, the device many believe was the mother of the digital computer as we know it today, between 1000 B.C. and 500 B.C.Without performing actual calculations, the abacus helps the person using it

打击 发表于 2025-3-29 03:41:31

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Mingle 发表于 2025-3-29 10:33:05

D. McK Kerslake there was a need to develop a device to do the mathematics quickly. This led to the invention of the abacus, the device many believe was the mother of the digital computer as we know it today, between 1000 B.C. and 500 B.C.Without performing actual calculations, the abacus helps the person using it

giggle 发表于 2025-3-29 13:18:23

K. Cena there was a need to develop a device to do the mathematics quickly. This led to the invention of the abacus, the device many believe was the mother of the digital computer as we know it today, between 1000 B.C. and 500 B.C.Without performing actual calculations, the abacus helps the person using it

Interstellar 发表于 2025-3-29 18:57:46

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Cpr951 发表于 2025-3-29 23:05:10

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–吃 发表于 2025-3-30 02:37:03

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羞辱 发表于 2025-3-30 04:38:46

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查看完整版本: Titlebook: Recent Advances in Medical Thermology; E. Francis J. Ring,Barbara Phillips Book 1984 Springer Science+Business Media New York 1984 alcohol