极点

Now I just want to disappear from the world or go to an island without people...

此刻，我的心情真是复杂到了极点，如果我所坚持「对」的事情，却要伤害一个小孩这样深，那麼我不知道我的坚持是否有意义？

The team s morale fell to zilch owing to the unexpected defeat .

由于这次出乎意料的失利，球队的士气低落到极点。

In accordance with the functions of analytical solution and numerical solution for solving algebraical equation group,a design approach was introduced to conduct the pole placement of PI and PID controllers for first and second order controlled models using the symbolic operation.

利用符号运算，针对代数方程组求解的解析解功能和数值解功能，提出了1种对1阶被控对象和2阶被控对象模型进行PI控制器和PID控制器极点配置的设计方法，给出了相应控制器结构参数的解析解，并在算例中进行了数值仿真验证。

Analogically it may be considered that the restriction of the immediate witnesses to these 3 disciples underline that the Transfiguration is a culminating event of Jesus' revelation and the mystery of his death and Resurrection.

类推可能是考虑到当下立即性见证的限制，而藉著三个门徒来衬托出改变容貌是将耶稣的启示以及死亡、复活的奥迹推至极点。

Finally, the antipodal grasp is discussed to display the method to be effective.

最后，对最简单的对极点的抓持进行了讨论。

In this dissertation , based on the analysis of characteristics and methods of temperature control , a temperature control system has been developed for crimper machine ' s heating chests according to its trait , and self - turning control method based on pole placement has been studied deeply .

本文在分析了温度控制的特点以及当前国内外在温度控制上所采用的方法的基础上，针对加弹机恒温箱控制对象的具体特点，研制了采用自校正pid策略的加弹机温度控制系统，并对极点配置自校正pid控制方法进行了较为深入的研究。

The self - turning control arithmetic and flow figure are worked out . then the self - turning based on the pole placement is explained at large . in chapter 3 , the discrete mathematics model of crimper machine ' s heating chests is built up at first

第三章首先运用热力学方程建立起温控对象的离散数学模型，阐述了极点配置的控制器参数设计方法，最后给出了加弹机温控系统的算法程序以及其流程。

The recursive algorithm about Diophantine equations is improved in the common generalized predictive control and generalized predictive poleplacement control.

改进了通常的广义预测控制和广义预测极点配置控制中的Diophantine方程的递推算法。

In chapter Ⅰ, a historial review of structure control is given; In chapter Ⅱ, A discussion of the controllability and observablity of flexible structures is given, Two kinds of controllability and observablity index are defined, and applied to actuator allocation; chapter Ⅲ considers the reduction of high order flexible structure mode; the content of chapter Ⅳ is about the basic problem of distributed parameter control system design. It is proved that a stable controllor in mode space may be unstable in real use in distributed paramater systems, also, by closed loop mode concept, a pole assignment method of flexible structure controllor design is given; chapter Ⅴ is about the low-authority controllor design, it is pointed out by use of high order eigenvalue/eigenvector perturbation, a better controllor can be designed; chapter Ⅳ considers flexible structure reduced order control; chapter Ⅶ disscusses the basic problem of flexible structure computer control, analyses discreate controllablity and observablity and its computing, the sample period and coefficient wordlength; chapter Ⅷ is on the problem of low flexibility compensation; chapter Ⅸ is a design example.

在第一章简要回顾了挠性结构控制的历史，并且指出控制中的一些问题；第二章讨论了挠性结构的能控性与能观性，定义了两类能控性程度和能观性程度指标，还将能控性程度概念应用于执行器位置的确定；第三章论述了高阶模型的降价问题，比较了适于挠性结构模型降阶的方法，指出其适用范围；第四章内容是分布参数系统设计的基本问题，首先证明在模态空间中设计的稳定的控制器在实际分布系统上可能是不稳定的，进而根据闭环模态的概念，获得挠性结构控制器设计的极点配置方法；第五章的内容是关于低权控制器的设计问题，指出利用特征值高价摄动和特征向量的摄动，可以设计出更加完善的低权控制器；第六章讨论挠性结构降阶控制问题；第七章讨论挠性结构计算机控制的基本问题，分析了时间离散化模型的能控性和能观性及其计算问题，讨论了采样周期选择和系数字长问题；第八章讨论低挠性结构的补偿问题；第九章的设计例子用来说明第二章和第四章的结果。

Since hydropneumatic elements and spring constraints are usually included in mechanisms in practice, and also with the development of high-speed and high-precision mechanisms, friction can no longer be neglected.

又P'0(2)其中h；为转向速度多边形上极点夕至力P；的距离(图1)。式(2)中写成叉积形式表示取矩时有顺、逆时针的转向之别。下面再看三个例子图2、图3、图匀。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。