论域

For this purpose, the safety state of the structure is regarded as a fuzzy set in the universe of discourse of the structural state, i.e. the safety event is considered as a fuzzy event and the mathematics model of the fuzzy event probability is adopted to be a unified model of the structural reliability analysis.

为此，本文将结构的安全状态看作是结构状态论域中的一个模糊集合，即认为安全事件为一模糊事件，采用模糊事件概率的数学模型作为结构可靠性分析的统一模型。

Firstly, the basic idea of MFT is described. Next, the factors universe of discourse and their weights are determined. Finally,MFT is used for evaluating general performance of the communication networks.

文中首先描述了MFT的基本思想，然后确定了影响通信网不同性能级别的因素论域及各因素的分级表，再利用统计法算出各因素的权，最后采用MFT评估出通信网的综合性能指标。

A flexible factor was introduced to the fuzzy control model, which can selfadapt and adjust the universe of discourse in the fuzzy control and the workpiece peripheral speed vw was selected as control variable.

采用论域自调整策略和模糊控制理论建立了纵向磨削的控制模型，选择工件的转速vw作为控制变量。

Then, a dynamically regulating technique for the universe of the discourse was discussed, which helps to improve the system's dynamic performance and the steady precision of fuzzy control systems.

理论和实验结果表明，这种分级论域动态调整技术能十分有效地提高系统整体控制性能及稳态精度。

Let Vis the universe of discourse of W,vj is the observed value of wj,it is called that W pro-vides the information as measure value in 1 to vj throughwj.

设W的论域为V，wj的观测值为vj，称W通过wj给V上的vj点提供了一个量值为1的信息。

It is proved that these two types of fuzzy controllers are equivalent to the variable structural combinations of nonlinear PI controller and nonlinear control offset. Moreover, the outputs of these fuzzy controllers are monotonically increasing, continuous, and bounded with regard to the corresponding universe of discourse.

基于此，深入研究了模糊控制器的解析结构，并证明了这两类模糊控制器等价于一种变结构的非线性 PI 控制器与相应的非线性控制偏置之和，并且在其输入论域上是单调递增、连续且有界的。

It can flexibly deal with the problems of universe of discourse and quantization of different variables; thus overcome the shortcoming of simple fuzzy control that it can not meet both the requirement of dynamic and static performance.

将分层模糊控制理论引入渠系自动控制，针对渠道运行控制特点，设计分层模糊控制器，它能灵活处理控制器输入、输出变量的论域及其量化问题，从而克服简单模糊控制器不能同时兼顾系统动静态性能的缺点。

Accordingly, fuzzy sets method is introduced to process the fuzzy information of the parts' appearance. This method takes appearance age as its universe of discourse to describe the standard appearance feature value of the parts, and uses fuzzy numbers to describe the linguistic values that represents the severity degree of the parts' appearance.

本文提出以外观年龄为论域的模糊集表示零件的标准外观特征值、以模糊数形式描述表示零件外观特征严重程度的语言值的方法来处理模糊外观信息。

The method without "zero" fuzzy aggregate of inputs used in this paper is important to resolving the steadiness of the rolling-stabilizing system with fuzzy control.

本文采用输入论域无"零"档的方法，解决了模糊控制应用于倾斜稳定系统的稳定性问题。

Otherwise, the algorithm restores the domain of variables that were eliminated due to the instantiation of current variable, and backtracks sequently. This thesis gives design for "Ming Yue "[1.1], and briefly states impleme -nt of problem solving system on discrete domains combined with examples. It also gives some experiment results of typical problems, such as car sequencing, timetabling problem, job shop scheduling problem and so on.

本文给出了&明月&的设计，并且结合实例简述了离散论域上约束求解系统的实现，给出了一些典型问题的实验结果，如汽车排序、时间表调度问题、车间作业调度问题等，实验证明该系统对于某些类问题的确是行之有效的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。