通过设计参数来修改特征形状和定位，并采用专家系统驱动满足给定约束条件的特征几何形状。
The feature shape and location can be modified by design parameters. An expert system is used for deriving a geometry of the features which satisfies the given constraints.
通过设计参数来修改特征形状和定位，并采用专家系统驱动满足给定约束条件的特征几何形状。
The dependent relationship of features is described by parent-child operator structure. The feature shape and location can be modified by design parameters.
路径规划问题一般是指在一定约束条件下，寻找从给定起始点到给定目标点之前满足某种性能指标最优的路径轨迹。
Path planning is to find a trajectory from the initial point to the target point which satisfies a certain performance optimal index under some constraints.
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