... 色差断定 colour alterence appraisal 短纤维长度 fibre basic length 线形密度 beeline density ...
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fibre basic length
纤维基本长度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
There were significant differences in ratios of fibre length to width of plantations, with different densities, as well as in basic densities of different elevation gradient and of tree classes.
不同林分密度人工林纤维长宽比差异显著；不同海拔梯度人工林及不同林木等级间基本密度差异显著。
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