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The dominant merit of the proposed decoupling PID controller was that the controller was developed in an absolutely transparent manner and the controller can realize significant decoupling among the nominal responses of system outputs. Moreover, every output can be tuned on line by the single adjustable parameter in the corresponding diagonal element of the controller.

该解耦PID控制器的突出优点是控制器设计过程简单直观；控制器可以实现标称系统输出间的显著解耦；系统输出分别使用相应控制器对角元素中的调节参数进行单参数整定。

Based on hexahedra vector finite element in ANSYS,a new orthogonal-reinforced hexahedra vector element is created by modifying vector basis functions.Due to orthogonality of sampling nodes and orthogonality of integral simultaneously,the new vector element can strengthen diagonal elements' predominance and quicken speed of solving system question group.

在ANSYS采用的六面体矢量单元的基础上，对矢量基函数作了一些增强正交性的修改，使其同时具备采样点正交性和积分正交性，得到了一种新的正交增强六面体矢量单元；这种新单元能增强系统矩阵的对角占优特性，加快系统方程组的求解速度。

In typesetting, an accent above the letter in the form of a diagonal stroke downwards left to right.

排版中加在字母上方的一种重音符号，其形状是自左至右向下的对角线。

The first form returns the diagonal matrix.

第一种形式返回对角矩阵。

In typesetting, an acc t above the letter in the form of a diagonal stroke downwards left to right.

排版中加在字母上方的一种重音符号，其形状是自左至右向下的对角线。

It will also reduce the length of the main hull to such a size so that on the diagonal of the vacuum form machine table I can limit the number of sections down to just top and bottom.

它也将缩短，主要的船体，以这样的规模，使对对角线上的真空，机械表的形式，我可以人数限制路段下降到刚才的顶部和底部。

Ventilation network are commonly used in series, parallel and diagonal form of three kinds of basic connectivity, they are combined with each other constitute a complex ventilation network.

通风网路常用的有串联、并联和角联3种基本联接形式，它们相互组合构成复杂的通风网路。

At last, in Chapter 7, the author establishes the theory on global exact boundary controllability for first order quasilinear hyperbolic system of diagonal form and applies it to one-dimensional isentropic flow system.

最后，在第七章，本文对齐次的一阶拟线性对角型双曲组实现了整体精确能控性，并在一维等熵流方程组得到了应用。

Then the uncertainty of modal frequency and modal damping in the controlled subsystem was expressed as a diagonal structure in the form of linear fraction transform.

最后通过最小化一个结构奇异值μ得到的控制器，以保证具有上述混合不确定性的闭环系统稳定并满足鲁棒性能要求。

At the end, the author establishes the global exact boundary controllability for first order quasilinear hyperbolic systems of diagonal form, taking the one-dimensional isentropic flow system as an example.

本文的具体安排如下：首先在第一章，作者简单介绍了精确能控性的定义以及相关问题的研究历史与现状。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。