When selecting the profile for the pocket, the boundary does not have to be a composite.

当选择袋子的轮廓时，边界没有必要必须转换为复合曲线。

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By capturing the original explicit design semantics and design process, the general NC computation model could be set up and expressed as' a pocket and its boundary '.

参考显式的设计语义和过程信息，以“腔槽及其边界”形式构造通用的NC计算模型。

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Pockets are produced by giving the Z height of the top and bottom of the pocket, and selecting a boundary curve.

根据选择边界曲线来定义顶部底部Z轴高度值提供了一种袋状加工方式。

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