The key of a node is always smaller than the keys of the nodes in its right sub-tree.

节点的键始终小于它右边的子树中的节点的键。

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Subtree node is usually referred to as the "left sub-tree" and "the right sub-tree".

通常节点的子树被称作“左子树”和“右子树”。

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Subtree node is usually referred to as the "left sub-tree" and "the right sub-tree".

通常节点的子树被称作“左子树”和“右子树”。

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