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”。

youdao