Snapshots of the disks containing resumption points should be backed up on both the disk in the local system and to another disk at a different, remote location.

包含恢复点的磁盘的快照应该同时备份到本地系统中的磁盘和位于一个不同的远程位置的另一个磁盘。

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By the point location error analysis of the whole detecting points it presents the synthetic basis of evaluation for the result of the local pipeline reconnaissance.

通过全部检测点的点位误差分析，对当地管线普查成果提供了综合评价依据。

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