To do this asynchronously, the net traverses the distorted pattern, and at each node, n, it asks whether n's value should be set to -1 or + 1.

如果是异步完成，网络会遍历失真的图案，在每一个节点n，它会询问n的值应该设置为- 1还是+ 1。

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The sensor picks up how the pattern is distorted when it hits users.

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