黄河古地图地理信息解译及数字化研究: 以《山东黄河下游之图》为例*
杨圣奎1,2

Interpretation and digitization of geographic information of the Yellow River ancient map: taking the Map of the Lower Yellow River in Shandong Province as an example
YANG Shengkui1,2
地理配准点在古地图上的选点(一)