...材积；木材基本密度 [gap=1518]Keywords ：Pinus massoniana; Pulpwood; Selection breeding; Stem volume; Wood basic density ...
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basic density of wood 木材基本密度
Wood basic density is clearly related to late wood percent.
木材密度与晚材率的正相关显著。
Within tree variation in wood basic density and cellulose content of poplar clones;
同时介绍了复合材料中树脂和纤维含量的确定方法。
The significant differences also existed in wood basic density, fiber length and fiber diameter at different tree height.
不同树干高度处的平均木材密度、纤维长度和纤维宽度存在显著差异。
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