Because of the limitations of the method for kinematic analysis and efficiency calculation of planetary gear trains (PGTs), a graphicmethod was proposed.
针对现有的行星齿轮系运动学分析和效率估算方法存在计算复杂的问题，提出了一种图形解析法。
2
Based on an analysisof standard menu structure in AUTOCAD graphic software, the author presents a method for developing CAD screen menu and describes its application.
在分析AUTOCAD绘图软件中标准菜单结构的基础上，介绍了CAD屏幕菜单的开发方法与应用。
3
This method implements the analysisof signal spectra and waveforms using the graphic display by means of man-machine communications.