In some embodiments, the transition between the post and deformable layer comprises substantially a single arcuate or convex surface, thereby providing a mechanically robust structure.

在一些实施例中，所述柱与可变形层之间的变换部分大体上包括单一弓形或凸状表面，藉此提供机械上坚固的结构。

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In some embodiments, the transition between the post and deformable layer comprises substantially a single arcuate or convex surface, thereby providing a mechanically robust structure.

在一些实施例中，所述柱与可变形层之间的变换部分大体上包括单一弓形或凸状表面，藉此提供机械上坚固的结构。

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