年ねん輪りん年ねん代だい学がくねんりんねんだいがくじ字FuriganaMeanings1noundendrochronologyScientific field that uses tree-ring patterns to date events and environmental changes.年ねん輪りん年ねん代だい学がくによって、この遺い跡せきの年ねん代だいが特とく定ていされ
