Tree-ring width of Pinus sylvestris from historical object sample 6509B/12B, ...
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Species: Pinus sylvestris; No of rings: 83; Age not determined; Pith: not applicable; Heartwood: absent; Sapwood: complete; Number of sapwood rings: 83; Last ring under bark:...
物种：欧洲赤松（Pinus sylvestris）；年轮数：83；年龄未测定；髓心：不适用；心材：缺失；边材：完整；边材年轮数：83；树皮下末次年轮：……
