N: This option allows you to change the name of the lookup function.

N：该选项允许用户修改查找函数的名称。

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The example also shows the use of the -n switch, which prints numeric host addresses, thereby avoiding name lookup and resolution and speeding up the trace.

这个示例还演示- n选项的用途，它输出数字的主机地址，从而避免名称查询和解析，可以提高跟踪速度。

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Unlike other self-balancing binary search trees that provide worst case O(log n) lookup time, scapegoat trees have no additional per-node overhead compared to a regular binary search tree.

和其它的提供了最坏情况O（log n） 查找时间的自平衡二分查找树不同，替罪羊树与普通的二分查找树相比，并没有对每个节点增加额外的开销。

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