From the 1920s to the 1950s,Chinese archaeologists successively attempted the Luoyang spade drilling method,the"probing method"for digging Chinese medicinal materials,and the"probing rod method".Finally,under the heavy pressure of archaeological excavations in conjunction with basic construction in the 1950s,they chose the Luoyang spade drilling method,which was time-saving,labor-saving,and cost-effective,forming a highly distinctive"ground exploration technique"with Chinese characteristics.
Luoyang SpadeThe Method of ProbingProbing Rod MethodProbing
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