获取或设置一个时间跨度，此时间之后发起方续订用于安全会话的密钥。

Gets or sets the time span after which the initiator renews the key for the security session.

youdao

获取或设置一个时间跨度，此时间之后发起方续订用于安全会话的密钥。

Gets or sets the time span after which the initiator renews the key for the security session.

youdao