Deformation Behavior of Bamboo based on DSCM Dynamic Testing and Probability Distribution of Elastic Modulus of SPF Dimension Lumbers Evaluation of Bending Properties of Larch Dimension Lumber with Acousto-Ultrasonic Technique Variation in Tensile Properties and Relationship between Tensile Properties and Air-Dried Density for Moso Bamboo Research on the Dynamic Modulus of Elasticity Measurement of Lumber Applications of Wavelet Analysis in the Nondestructive Test of Medium Density Fiberboard