研究矩形图元在圆形区域内的二维布局优化问题，建立了半无限优化模型。
The two-dimensional layout optimization problem about placing the rectangular graph elements on a round board is investigated and the semi-infinite optimization model is presented.
在预定的距离(一)，红外探测器“看到”的圆形区域内被称为可见的表面(乙)。
At a predetermined distance (a), the infrared detector "sees" a circular area that is called the visible surface (b).
采用分区域解法，给出了中心有椭圆孔的椭圆形区域内位势流动问题的解析通解。
The general analytic solution for the potential flow in an elliptical area with a coaxial elliptical hole was found by combining similar flow substitution and flow area division.
只要系统的网络延时满足这些条件，网络控制系统的极点便分布在复平面内的一个圆形区域内。
If the network time delay of networked control system satisfies these conditions, the poles of networked control system are in a circular area on the complex plane.
进而讨论了不确定连续系统的闭环极点配置在圆形区域内的鲁棒容错控制问题，给出了该条件下鲁棒容错控制系统的设计方法及其有效性。
Robust fault-tolerant control problem for uncertain continuous systems based on regional pole assignment is discussed. Then the design method and its effectivity are given.
考虑连续广义系统的圆形区域极点配置问题，采用微分状态反馈的方法设计控制律使得闭环系统正则，无脉冲且闭环极点位于给定的圆形区域内。
The objective was to design derivative state feedback controllers so that the closed-loop system was regular, impulse-free, and the closed-loop poles was to be placed in a given region.
本文利用相似流动替换方法，解决了中心有圆孔的椭圆形区域内的位势流动问题；采用分区域解法，给出了中心有椭圆孔的椭圆形区域内位势流动问题的解析通解。
The problem of potential flows in an elliptical area with a circular central hole was solved by the substitution of similar flows in this paper.
在每个小区域内安装上圆形、椭圆形，正方形、多边形等形态得射门视标，可不断提高射门水平。
In every small area on the circle, elliptic, installation, such forms of polygon square, can be shot depending on improving goal level.
在每个小区域内安装上圆形、椭圆形，正方形、多边形等形态得射门视标，可不断提高射门水平。
In every small area on the circle, elliptic, installation, such forms of polygon square, can be shot depending on improving goal level.
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