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关注：1
2013-05-23 12:21
求翻译：木材密度指标的大小及其变异是木材材性改良和定向培育的主要依据和理论基础是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
木材密度指标的大小及其变异是木材材性改良和定向培育的主要依据和理论基础
问题补充： |
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2013-05-23 12:21:38
Indicators of the size of the wood density variation in wood properties and their improvement and the main basis for targeted cultivation and theoretical basis
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2013-05-23 12:23:18
timber density indicators and its variability is the size of wood material improvement and redirect the main based on nurturing and theoretical basis
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2013-05-23 12:24:58
The lumber density target size and the variation are the lumber material improvement and the directed breeding main basis and the rationale
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2013-05-23 12:26:38
Wood density metric size and variation of wood properties improvement and main basis for oriented cultivation and rationale
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2013-05-23 12:28:18
Wood density metric size and variation of wood properties improvement and main basis for oriented cultivation and rationale
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