四川黑水徐古锰矿位于日嘎希—瓦钵梁子复背斜西段北翼。
The Xugu Mn deposit in Heishui, Sichuan lies in the northern limb of the Rigaxi-Waboliangzi anticlinorium.
1991年龙夫威(右)等中美学者寻访平遥超山书院遗址。五台东冶镇永安村北的徐继畬之墓。
Chinese and American scholars view the site of the Chaoshan Academy at Pingyao in 1991 (Prof. Fred Drake on right). Xu Jiyu's tomb in Yong'an, Wutai.
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