在关键的场合，要求使用容错软件技术(包括非相似设计技术和恢复块技术)实现高可靠计算机系统。

Fault Tolerant software techniques such as Nversion programming (NVP) and Recovery Block (RB) are introduced into the ultrahigh reliable critical computer system.

youdao

这是任何恢复策略的构建块，如果没有完整的备份映像，就不能开始恢复过程。

This is the building block of any recovery strategy, without a full backup image, you can't start to restore.

youdao

有了这个紧急维护空间，就可以利用它对一块已满的磁盘进行恢复。

That emergency maintenance space is there so it can be used to recover from an overfull disk.

youdao