The twice-cooked method is redundant, makes your web pages invalid, and doesn't include a mechanism for inserting alternative content.
两次烹饪法显得冗余，并且使你的网页不标准，还没有提供一种显示替换内容的机制。
As an important mechanism in security services, access control can protect system resources from invalid usage.
访问控制是安全服务中一种重要的机制，它能够保护系统资源免遭非法使用。
应用推荐