方案目录

• In the paper , we use the method of system engineering to study conceptual design of mechanical transmission system . from the analysis , we can separate mechanical transmission system to many parts , and we can get the answer using design catalogues
  本文用系统化的设计法对机械传动原理方案设计进行思考，将复杂的问题划分为多个简单的子问题来分析，利用传动原理方案目录来对各子问题进行求解。