NONRECOVERABLE This option allows the user to override the default behavior of the load to be done with COPY-NO.

NONRECOVERABLE这个选项允许用户改变COPY - NO装载操作的默认行为。

When specifying this NONRECOVERABLE keyword, the user is not forced to take backups of the tablespaces immediately.

如果指定这个 NONRECOVERABLE 关键字，那么用户不必马上对表空间进行备份。

As the material is deformed beyond the strain that elastic deformation persists, the stress is no longer proportional to strain, and permanent, nonrecoverable, or plastic deformation occurs.

当材料的形变超出弹性形变发生的范围，其应力将不再与应变成正比，永久的、不可回复的形变发生，即为塑性形变。