Even making a non-working model of what might seem to be a relatively simple thing, like a new sole for a shoe, is in fact a complex process.

即使是制作一个不能用的看起来很简单的模型，比如一只鞋的新鞋底，这也是很复杂的过程。

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Its used to determine the peeling strength between the sole and the upper of a shoe.

本机适用于检验成鞋鞋底和鞋帮之间的剥离强度。

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The middle layer of a sole, as of an athletic shoe, often designed to disperse weight or provide stability to the foot.

鞋底的中层，例如运动鞋，常设计用以分散重量或提供足部稳定性。

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The solution: They cut a groove in the sole plate of his shoe and inserted a flexible pad, better to keep his feet on the ground.

FORBES: On the Run