Tree-ring width of Quercus species from historical object sample 6135B/06A, N...

Species: Quercus species; No of rings: 31; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 11; Last ring under bark:...物种：栎属（Quercus）物种；年轮总数：31；树龄未测定；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：完整；边材年轮数：11；树皮下方的最末年轮：……