XML-file of tree-ring width from historical object 6339B@en
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资源简介：
Species: Quercus species; No of rings: 24; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 2; Last ring under bark: absent
物种：栎属（Quercus）树种；年轮数：24；树龄未测定；髓心：不适用；心材：完整；边材：不完整；边材年轮数：2；树皮内无最后一轮年轮
创建时间：
2026-04-30
