Grading of structural timber 支撑用建筑木材分类
On the basis of grading, two evaluating methods of timber woodland are advanced, which are standard land-value modified method and land-value model method.
在定级的基础上，提出了两种用材林林地估价方法，即基准地价修正法和地价模型法。
In order to solve the problem of grading the timber, the authors have put forward a kind of classification method by utilizing neural network and wood surface color characteristics.
为了解决木材的分级问题，提出了利用神经网络和木材表面颜色特征对木材进行分级的方法。
The results showed that the grading bamboo strand lamination is a low-swelling material. The swelling of parallel to grain, radial and tangential is lower than that of timber and LVL.
结果表明：竹层积材是一种低湿胀性材料，顺纹、径向和弦向上均远低于木材和LVL。
应用推荐