TESTAND ANALYSIS ON THE ELASTIC MODULUS OF OVER-LONG SUSPENDED WIRE ROPES DIGITAL SPACKLE CORRELATION METHOD (DSCM) FOR MEASUREMENT OF WOOD COMPRESSION ELASTIC MODULUS Dimension Parameters and Nanoindentation of Populus adenopoda Wood Cell Mechanical Characteristics of Tensile Strength for Three Monopodial Bamboo Single Roots MECHANICS OF WOOD CELL AND ESTIMATION OF LONGITUDINAL ELASTIC MODULUS OF SOFTWOOD——ESTIMATION OF LONGITUDINAL ELASTIC MODULUS OF SPECIMEN Using Nanoindentation Technique to Determine the Longitudinal Elastic Modulus and Hardness of Tracheids Secondary Wall Nano-Mechanical Properties of the Cell Wall of Two Crop Straws