Ｃｈｉｎａ ｂｅａｔ Ｃｏｌｕｍｂｕｓ ｔｏ ｉｔ， ｐｅｒｈａｐｓ
2006-01-01 00:00:00
數理天地(初中版) 2006年5期
Economist said， \"An ancient map drawnin 1418 strongly suggests Chinese seamenwere first round the world. It seems morelikely that the world and all its continentswere discovered by a Chinese named ZhengHe.\" The debate is still going on.
