地震数据的安全存储离不开数据的安全备份。数据的安全备份来自设备安全和应用安全两个方面。
The secure storage of the earthquake data depends on the secure data backup while the latter comes from both the device security and the application security.
万一这问题不幸发生了，你可以尝试从另一个分区启动然后把驱动的安全备份恢复到原位置，然后修复权限，重启系统。
If this happens anyway, you can try booting from another disk and copying the safety net backup to the original location, then repair permissions, and reboot again.
将机场数据安全地备份之后(大概其他表中的数据也已经安全备份了)，那么现在您就可以开始试验一些新的“遗留”数据了。
Now that you have your airport data safely backed up (and presumably the data from the other tables as well), you are ready to begin experimenting with some new "legacy" data.
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