中国四大发明之一的造纸术究竟起源于何时?谁又是造纸术的发明人?多年以来,中国的教科书告诉人们:东汉时期蔡伦开始造纸。而20世纪以来的几项考古发现表明,在蔡伦之前的西汉时期中国就 When did the papermaking process, one of China’s four major inventions, originated and who was the inventor of papermaking? For many years, Chinese textbooks have taught people that Cai Lun began to make paper in the Eastern Han Dynasty. Several archaeological discoveries since the 20th century show that in the Western Han period before Cai Lun, China