梦溪笔谈
Dream Pool Essays (an 11th-century scientific book by Shen Kuo)
Frequency 2.0
Meanings
- Dream Pool Essays by Shen Kuo 沈括[Shen3 Kuo4], book on various fields of knowledge, the first to describe the magnetic needle compass
Dream Pool Essays (an 11th-century scientific book by Shen Kuo)
Frequency 2.0