在给模型贴图前，首先要调整系统的单位，将3D的显示单位和系统单位统一，避免后期尺寸错误。 To avoid errors,we should adjust the unit of system

        通过在材质编辑器中添加贴图，或者直接把电脑中的图拖到物体上。  Add it in the material editor, or drag it directly from computer onto the object

         真实世界贴图是另一种贴图范例。该功能可以创建材质并在“材质编辑器”中指定 2D 纹理贴图的实际宽度和高度。将该材质指定给场景中的对象时，场景中出现具有正确缩放的纹理贴图。Another example of texturing. This feature creates a material and specifies the actual width and height of the 2D texture map in the Material Editor. When this material is assigned to an object in the scene, a texture map with the correct scaling appears in the scene.

 UVW MAP

         为了解决贴图按照box各个面比例缩放的问题，选择bitmap fit。To solve the problem of scaling the map to each side of the box, select Bitmap Fit.