ナイフ形石器
1. Blade (archaeology)In archaeology a blade is a type of stone tool created by striking a long narrow flake from a stone core. Blades are defined as being flakes that are at least twice as long as they are wide and that have parallel or subparallel sides and at least two ridges on the dorsal (outer) side.
Read “Blade (archaeology)” on English Wikipedia
Read “ナイフ形石器” on Japanese Wikipedia
Read “Blade (archaeology)” on DBpedia
Read “Blade (archaeology)” on English Wikipedia
Read “ナイフ形石器” on Japanese Wikipedia
Read “Blade (archaeology)” on DBpedia
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