Tree-ring width of Pinus sylvestris L. from historical object sample 6612B/04...
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Species: Pinus sylvestris L.; No of rings: 230; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 77; Last ring under...
物种：欧洲赤松（Pinus sylvestris L.）；年轮数：230；年龄未测定；髓心：不适用；心材：完整；边材：不完整；边材年轮数：77；最末年轮位于……
