on-request system

基本解释

In-flight request search lets you analyze real-time requests on the system.
动态的请求搜索允许您分析系统上的实时请求。
When a web services invocation is made, the proxy or SOAP runtime on the client system performs the WS-Security functions prior to sending the request.
当调用 Web 服务时，代理或客户端系统上的 SOAP 运行时会在发送请求之前执行 Web 服务安全性（WS-Security）功能。
The lawyers wrote something that was not very specific. It said something like, “If you request that we delete your e-mail, it may remain on a backup system for a while.”
然后他们写的不是非常明确，“如果你要求删除自己的邮件，这些邮件在系统上备份还会继续存在一段时间。”