It is generally assumed that Cai Lun of the Eastern Han Dynasty (AD 25-220) was the inventor of plant-fiber paper. Bi Sheng in the Northern Song Dynasty (960-1127) invented movable clay printing.
其中，东汉时期的蔡伦（AD25-220）被认为是造纸术的发明者，北宋时期的毕升（960-1127）是活字印刷术的发明者。
It is generally assumed that Cai Lun of the Eastern Han Dynasty (AD 25-220) was the inventor of plant-fiber paper. Bi Sheng in the Northern Song Dynasty (960-1127) invented movable clay printing.
其中，东汉时期的蔡伦（AD25-220）被认为是造纸术的发明者，北宋时期的毕升（960-1127）是活字印刷术的发明者。
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