大明宫遗址公园
da ming palace ruins park
古遗址位置目标确定
location of ancient relics
圆明园遗址保护
Preservation of the Yuanmingyuan Ruins
北京大学考古系~(14)C实验室
Radiocarbon Laboratory of Department of Archaeology
peking university
北京大学历史系考古专业~(14)C实验室
Department of History
beijing university
Radiocarbon Laboratory of the Archaeological Section
地下考古目标应用
application of underground remains
地震考古
archaeo-seismological research