Tree-ring width of Picea abies (L.) H. Karst. from historical object sample 6...
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Species: Picea abies (L.) H. Karst.; No of rings: 46; first year: 1722; tree-death year: 1768; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings:...
物种：欧洲云杉（Picea abies (L.) H. Karst.）；年轮总数：46；首个年轮年份：1722；树木死亡年份：1768；髓心：不适用；心材：缺失；边材：缺失；边材年轮数：……
