Tree-ring width of Quercus species from historical object sample 6173B/02A, N...
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Species: Quercus species; No of rings: 69; first year: 1646; end year: 1715; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 18; Last ring...
物种：栎属（Quercus）物种；年轮总数：69；生长起始年份：1646；生长结束年份：1715；髓心：不适用；心材：完整；边材：完整；边材年轮数：18；末次年轮……
