五材

1

五株山杨试材采自山西省中条山同一天然林分内，其木材物理力学性质在杨属中为中等。

Five trees of David poplar were collected from a natural stand of Zhongtiao Mountains in Shanxi province .
2

本文论述了利用百度试验法，查明福建五种阔叶树材的干燥特性，以进一步制定合理的干燥工艺。

This paper deals with the drying characteristics of five hard wood species from Fujian Province by testing at100 ℃, so as to further draw up suitable drying schedules .
3

而五行相克来源于五材的具体特性，与四时五方之理不同，故有关五脏相克的内容无研究必要。

But restriction among the five elements comes from the properties of five materials , so it is not uniform with four seasons-five directions . It is not necessary to explore the contents about restriction among the five elements .