用户能够通过直接处理其机器上的UI即时修改数据和屏幕元素。
Users can modify data and screen elements instantly by directly manipulating the UI on the their machines.
此外，你还必须以能够直接并即时收到反馈的方式设定任务；
You also need to set up the task in such a way that you receive direct and immediate feedback;
由于不增加延迟、复杂性以及合计、日志及处理信息的开销，提供到即时系统数据的直接访问通常会更好。
Rather than add the latency, complexity, and overhead of summarizing, logging, and processing information, it is often better to provide direct access to live system performance data.
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