The more algorithmically complex the transformation mapping is, the less suited a visual, executable pattern mechanism is.

转换映射的算法复杂度越高，它就越不适应于可视化的、可执行的模式机制。

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Because the transforming and the filtering are done optically, this mechanism for pattern recognition is fast, allowing an image to be tested for the presence of a target in a single step.

ECONOMIST: Optical recognition

Both sending and receiving stations would, however, need some mechanism to encode and control the frequency-hopping pattern.

ECONOMIST: Player-piano pioneer

The work of Herbert Simon and others has shown that pattern recognition is among the most powerful, perhaps the foremost mechanism of successful problem solving.

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