Thirdly, the workspaces and operational capability at different conditions are studied, the appearance of workspaces are presented based on AutoCAD platform, some operational curves and curved surfaces are given, they show the capability of them.

• 再次，论文分情况讨论了机构的工作空间及其灵巧度，基于AutoCAD平台绘出了工作空间的外形和截面示意图，用曲线和曲面的形式表示了不同情况下机构的各向同性；