用CAD变量几何技术，构造一些典型的机器人臂多自由度平面机构的模拟机构。
By the use of CAD variable geometric techniques a number of typical simulative mechanisms of multi-DOF planar mechanism of robot arm were constructed.
介绍了塑料注射成型模具CAD软件中变量装配的关键技术，并给出了装配设计中几何约束和工程约束实例。
The key technology of variable assemble in CAD software for plastic injection mold is introduced. Examples of the geometry restrains and the engineering restrain in the assemble design are given.
方法中未知变量的近似采用IMLS技术，局部影响域形状采用方形几何形态。
Concerning the method, the technique of IMLS was adopted for the approximations of the unknown variable, and the square sphere was used for the geometric form of the local influence field.
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