asntrep 实用程序则更新别名，使源和目标同步。

The asntrep utility updates the nickname to bring the source and target into synch.

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这种同步定期执行，使系统之间的时钟差异最小化。

This synchronization performs on a fairly regular basis to minimize the amount of clock drift between systems.

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使静态路由文件与拓扑结构修改保持同步。

Keep the static routing file in sync with topology changes.

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