在HTTP头信息里加入缓存控制过期和最大存活时间标记。
Add Expires and max-age directive of Cache-Control HTTP Header in server responses.
staffqueryrefreshschedule控制何时运行刷新守护进程，以刷新过期的查询结果。
staff query refresh schedule controls the time when the refresh daemon runs to refresh expired query results.
Staffqueryrefreshschedule控制何时运行刷新守护进程，以刷新过期的查询结果。
Staff query refresh schedule controls when the refresh daemon runs to refresh expired query results.
会话控制，包括过期以及合法条款和条件的签名。
Session control, including expiration and the signature of legal terms and conditions.
HTTP 1.1介绍了另外一组头信息属性：Cache -Control响应头信息，让网站的发布者可以更全面的控制他们的内容，并定位过期时间的限制。
HTTP 1.1 introduced a new class of headers, Cache-Control response headers, to give Web publishers more control over their content, and to address the limitations of Expires.
可以在管理控制台的HumanTaskManager配置面板上修改频率和过期时间。
The changes to the frequency and expiration time are done on the Human Task Manager Configuration panel in the admin console.
过期：显示一个用户账号是否永久有效。如果一个账号永远有效，你可以在控制框中选择“永远”。
Expired : Indicates when the user's account will expire or has expired. If an account should not expire, you can activate 'never' on the control box.
前言：目的：探讨过期药品的控制方法。
OBJECTIVE: to discuss the ways to control the expired drugs.
前言：目的：探讨过期药品的控制方法。
OBJECTIVE: to discuss the ways to control the expired drugs.
应用推荐