Tree-ring measurements of Pseudotsuga menziesii (Douglas-fir) from sample BEA...
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Species PSME; No of rings 187; Begin 1797; End 1983
物种PSME;环数187;起始年份1797;结束年份1983

Species PSME; No of rings 187; Begin 1797; End 1983
物种PSME;环数187;起始年份1797;结束年份1983