The physical and mechanical properties of middle cutting wood of Cunninghamia lanceolata are inferior to those from natural forests.

杉木中伐材的物理力学性能不如天然林中伐材。

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The results showed that there existed variation among eucalypt families in wood physical-mechanical properties and wood chemistry.

研究表明：桉树不同家系间木材物理力学性质和化学组成存在差异；

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The physical and mechanical properties of structural glued laminated bamboo were studied and compared with LVL made from several kinds of plantation wood, as well as common structural solid wood.

测定结构用竹集成材及其竹指接集成材的主要物理力学性能，并将测试结果与几种人工林单板层积材以及常见建筑用材种的相关性能进行比较。

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