Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms.... - 表面、网格 DGN MicroStation 设计文件 - 3D 实体 (圆锥、球体、环面、圆柱体、方块、楔形)...