<p>This Architectural Drawing is AutoCAD 2ddrawing of 3d structure of wood in AutoCAD , Dwg files. A 3D structure is <strong>usually presented by the three-dimensional positional coordinates of a molecule or biomolecule, which are determined through an appropriate approach</strong>. Various experimental analysis methods have been developed, such as X-ray crystallography, NMR spectroscopy and cryo-electron microscopy. For more details and information download the drawing file.</p>