Tree-ring width of Quercus species from historical object sample 5777B/10A, N...
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Species: Quercus species; No of rings: 64; first year: 1719; end year: 1783; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 20; Last ring...
物种：栎属（Quercus）植物；年轮总数：64；起始年份：1719；终止年份：1783；髓心：不适用；心材：完整；边材：完整；边材年轮数：20；最后一轮年轮……
