另一方面，快照实现的方式就像三重镜像。

In other cases snapshot may be implemented by triple-mirroring.

youdao

由于我们没有更多东西可失去了，与我的管理员团队讨论之后，我们打算对root磁盘做三重镜像，然后从服务器上拨出磁盘。

With nothing else to lose, after speaking with my team of administrators, we made a plan to try to physically yank the disk from the server after triple-mirroring the root disk.

youdao

等到下个月奋进号航天飞机将另一根桁梁载运上天后(该桁梁几乎就是刚刚安装完毕的那根桁梁的镜像复制品)，那个重达183吨的空间站将多出14吨。

The 183-ton space station will grow 14 more tons when another girder practically a mirror image of the one just installed is ferried up next month by shuttle Endeavour.

youdao