If no maximum limit is set on the maximum number of session objects that can be held in memory, then it is possible to have many session objects during peak user load time.

如果不对内存中可以保持的会话对象的最大数量设置最大限制，那么在用户加载高峰期，可能有许多会话对象。

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Once the non-functional requirements of a system (load capacity, average response time, peak-load response time, and so on) have been met the application can be deployed and the customer is satisfied.

只要满足了非功能性需求(负载能力、平均响应时间、峰值响应时间等)，应用程序就可以部署，用户也会觉得满意。

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For peak load unit, its process model and structure parameters have obviously fast time-varying characteristic while load changing.

对于调峰机组，当负荷变化时机组的过程模型甚至结构参数都具有明显的快时变特性。

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