然后利用估计准则方法及快速多步最小二乘法（FMLS）辨识换热器的动态模型。

Then, a criterion of estimate and FMLS (Fast Multi-Step Least Square) algorithm proposed by the authors are used to obtain the dynamic model of the heat exchanger.

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使用证明，采用计算机辅助手段能快速、准确、灵活地进行管壳式换热器的布管设计。

It has been proven by practical usage that, taking full advantage of the advanced CAD measures, the tube-sheet design can be accomplished rapidly, exactly and smartly.

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针对换热器列管泄漏查找困难的问题，提出了一次性快速查找的方法。

A method for quick finding out the leaking tube of heat exchanger in sulfuric acid conversion section is presented in this paper.

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