Then in the third step, the fast marching method is used to produce the initial level set shape images.

第三步，快速行进算法计算初始水平集形状图像。

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The molding tool manufacturing enterprise need to be have a set of forerunner of management system manage the level with the exaltation, have the fast reaction and ability that adjust in time.

模具制造企业需要有一套先进的管理系统以提高管理水平，具备快速反应和及时调整的能力。

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Fast tree-based redistancing for level set computations may resolve complex topology, intersection, merging during interface moving.

基于树型结构的快速等距计算方法可以有效地解决等距过程中发生的拓扑、自交、同化等现象。

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