growth-ring width 生长轮宽度
As planting density increased, the growth ring width and tracheid row decreased but proportion of late wood increased.
造林密度大，则生长轮变窄，管胞列数减少，晚材率增加。
The results showed that there were distinct differences in micro-fibril Angle, width of growth-ring and tracheid diameter.
结果表明，管胞直径和微纤丝角及生长轮宽度等指标表现为差异显著。
Planting density has significant effects on fiber morphology, physical and chemical properties of Lalix olgensis wood. Except growth-ring width, remarkable differences was found in other indexes.
初植密度对落叶松人工林的纤维形态特征、物理特征及化学特征有重要的影响，除生长轮宽度外，其它各指标差异显著；
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