宋朝卷

ebook

By 于泓

cover image of 宋朝卷

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北宋在发展农业的基础上,手工业生产有了显著的进步,而科学技术的进步也是显著的。火药兵器的出现,罗盘针在航海上的使用,毕昇活字印刷的新创造,都是在这一时期完成的,它们对世界经济文化的发展,起了巨大的推动作用。

宋朝卷