Tree-ring width of Quercus species from historical object sample 5443B/04A, N...

Species: Quercus species; No of rings: 70; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 24; Last ring under bark:...物种：栎属（Quercus）物种；年轮数：70；年龄未测定；髓（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：完整；边材年轮数：24；树皮下的最末年轮：……