I WAS BORN in Hongkong. In 1949 I came to Beijing to study at Qinghua University and later transferred to Beijing University, majoring in mining and physics. After graduation I taught for some time...
Please login first!
I WAS BORN in Hongkong. In 1949 I came to Beijing to study at Qinghua University and later transferred to Beijing University, majoring in mining and physics. After graduation I taught for some time...