the security mechanism的用法和样例：
例句
- Third Edition introduces the signature authority of the security mechanism can be installed by authorized signature packets.
三版引入了权限签名这一安全机制，可通过对程序安装包进行签名授权。 - This action of disabling failover is a safety mechanism that prevents data corruption.
这种禁用故障恢复的操作是一种安全机制，用于防止数据损坏。
