We have to draw statistical inference by hypothesis testing, because we don't know the real data generation process of any time series.

对于一个实际的时间序列数据，我们并不知道其真正的数据生成过程，只能通过假设和基于假设的统计推断来确定。

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With the industrial control software, MCGS, the fuzzy inference engine was used to achieve the real-time control.

结合MCGS工控组态软件，实现模糊推理引擎的实时控制。

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So this paper put forward a concept of control process of IAQ by inference from the idea of real time of IAQ.

因此本文从实时室内空气品质的概念出发，提出了过程控制的理念。

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