Tree-ring width of Quercus species from historical object sample 5562B/05A, N...

Species: Quercus species; No of rings: 69; first year: 1254; end year: 1323; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 13; Last ring...物种：栎属（Quercus）物种；年轮总数：69轮；起始年份：1254年；终止年份：1323年；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：完整；边材年轮数：13轮；最后一轮年轮……