在灾难恢复站点上永久保留一个IP地址，输入这个IP地址作为DNS条目。

Permanently reserve an IP address at your disaster recovery site and enter this IP address as a DNS entry.

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模型就是一个实例文档，没有输入数据，但是保留了标记和静态文本。

The model is just a sample instance document, with the form input data removed but all the markup and static text in place.

youdao

输入新名称或按enter键以保留缺省值。

Enter a new name or click Enter to keep the default.

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