使用者指定 meaning in English

user specified

A list of all routing links that have gone down and come up in a short ( user specified ) time period
在短时间段（使用者指定）内持续变好又变坏的所有路由链路的列表。
The site allows users to specify control tasks required to meet regulation requirements as well capture compliance issues as they arise
这个网站可以让使用者指定必要的控制项任务，以符合规定的要求，并及时处理规范问题。
Route explorer can display a summary of all routing events over a user specified time period in a bar graph , showing the number of link changes as well as the nodes involved
能够以条状图显示使用者指定时间段内所有路由事件的概况，表示链路变化的数量，以及所涉及的节点。
Will donate an amount of money for each transaction of a range of public services made through its website . the donations will be used to organise charity programmes and social services . also participate actively in voluntary services
会就每一次服务向一间使用者指定的慈善机构捐出相应的款项，以资助他们筹办慈善活动，发展社会服务事业。