on request

基本解释

That text will be saved in a database and retrieved by the application for display on request.
该文本将被保存到数据库中并在请求时由该应用程序检索来显示。
Objects are stored in some type of list or array called the pool, and handed out to the client on request.
对象存储在某种类型的列表或数组（称为“池”）中，并且根据请求分发给客户端。
These tools collect much information to help you determine whether your system is in good performance shape, including data on request response times, processor utilization, and more.
这些工具将收集大量信息，以帮助确定系统是否具有良好的性能设计，其中包括关于请求响应时间、处理器使用率等的数据。

The request is based on a law from eighteen fifty-one.
Thai diplomats on Wednesday morning presented Cambodian officials with a request to detain and extradite Thaksin Shinawatra.
The strategy review is expected to be completed in the coming weeks, and to be followed by a decision on General McChrystal's troop request.

The helpful, solicitous staff happily stows skis in a storage area and presents them efficiently on request.
FORBES: To Ski Or Not To Ski