Simulation results implied that output dynamic response performance of secondary element improved greatly by adopting fuzzy auto-tuning PID control, the results attained expect aim .

仿真结果表明采用模糊PID自整定控制后使得二次元件输出动态响应性能大大改善，达到了预期的目标。

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You can identify a primary subject with the href attribute of the topicsubject element, which also contains subjectref elements for the secondary subjects.

可以用topicsubject元素的hre f属性来表示主要主题，这个元素还包含subjectref元素来表示次要主题。

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Every element tends to satisfy both its primary and secondary valence.

每一元素倾向于既满足它的主价又要满足它的副价。

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Sunderland might have seemed like a dream move - but, as Micky Adams found out last year when he went to Leicester with Dave Bassett, being the secondary element of a partnership allows you little room to do your work.

BBC: The not-so dynamic duo

The friendship element in these relationships is secondary to achieving an outcome.

FORBES: Is the Virtual Neighbor a Match for the Facebook Friend?

Saxony kept the selective element, but sent pupils to secondary school at 13 rather than 11.

ECONOMIST: Reforming education