Further down the supply chain, timber-dealers and factories are often certified largely on the strength of documents which may be illegally bought.

更往下游去了解供应链，我们会发现，木材经营者与木材工厂的认证通常都大致由他们非法购买的文件来完成的。

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Wood density and mechanical properties were rapidly decreased with the increasing decay for larch and pine timber, the most is MOR, then crushing strength, and the density is the smallest.

落叶松和软木松木材随着腐朽程度的加重，力学性能迅速衰减，其中抗弯强度降低最为明显，其次是抗压强度，密度变化最小。

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The experiment results indicate that the confining action of CFRP sheets can enhance the strength of timber column about 10 ~ 20%, and can also enhance the ductility of timber column.

试验结果表明，CFRP布环箍加固的侧限约束作用可以提高木柱的强度约10 ~ 20%。并显著改善木柱的变形性能。

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Further down the supply chain, timber-dealers and factories are often certified largely on the strength of documents which may be illegally bought.

ECONOMIST: Western consciences can do only so much to conserve forests