The identity transformation copies each node in the source to the output to provide a logically equivalent tree.

标识转换将源中的每个节点复制到输出以提供逻辑等效树。

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For the rest of the public, there is Google or some equivalent just as there is the endless automated decision tree, phone or Web.

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As its name suggests, this spins the software equivalent of a roulette wheel to generate a random tree, then examines how snugly the branches of that tree fit the modern foliage.

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