Mei's comparative studies of Chinese and Western mathematics and astronomy expanded on the earlier work of Xu Guangqi (1562~1633).
梅文鼎对中西数学和天文学的比较研究是以徐光启（1562一1633 ）的著作为基础的。
2
The tunnel runs across 50 hills, 50 rivers and 29 fault lines on its path, according to Zou Guangqi, technical chief for construction of the tunnel.
据此项隧道的主要技术负责人邹广祈介绍，该隧道全程跨越了50痤山脉，50条河流和29个断层带。
3
Wang Guangqi was the first scholar who used the foreign language to introduce Chinese music to the world in the music history in our country and he wa...