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Among the elements of a Boolean algebra are two distinguished elements:0,corresponding to the empty set;and 1,corresponding to the universal set.

在布尔代数的元素中有两个突出的元素：0，对应于空集；1，对应于全集。

Among the elements of a Boolean algebra are two distinguished elements: 0, corresponding to the empty set; and 1, corresponding to the universal set.

在布尔代数的元素中有两个特殊的元素： 0 ，对应于空集； 1 ，对应于全集。

Frame Control That Allows you to Set Bor - Frame Control That Allows you to Set Border Colors

这是一个帧控件，允许你设置边框的颜色。

Color, font and border properties should be set if -- and only if -- the application has not already set them.

颜色，字体和边框属性应该且只应该在应用还没有设置它们之前进行设置。

The sequential Cireut model with fuzzy border is set up on the bases of Boolean defferetial and fuzzy border set.

在布尔微分及乏晰边沿集合两个基础上，建立了乏晰边沿的时序电路模型。

The proposed method has the merit that the numerical characteristics of stochastic temperature field response can be obtained by analyzing the random temperature field just in one time.3. Perturbed numerical algorithm of nonprobabilistic convex set theoretical models on the temperature fieldThe uncertain parameters of physical parameters and initial boundary conditions of heat conduction are described by the convex model. The perturbation formulas of the upper and lower bounds of temperature field response with unknown-but-bounded parameters are given via the combination of matrix perturbation theory and the convex set theory model.4. Numerical analysis for transient temperature field with interval parametersConsidering the uncertainties of the transient heat transfer, the physical parameters and initial boundary conditions are regarded as interval variables.

该方法具有只进行一次随机温度场分析便可以获得其响应的数字特征的优点。3、温度场的非概率凸集合理论模型的摄动数值解法将结构导热的物理参数、温度场的初始和边界条件等不确定性参数以凸模型加以描述，基于矩阵摄动理论和处理不确定问题的凸集合理论模型的结合，导出有界不确定参数瞬态温度场响应所在集合的上、下界摄动计算公式。4、具有区间参数的瞬态温度场数值分析考虑结构瞬态热传导问题的不确定性，将结构各物理参数和温度的初、边值条件均视为区间变量。

At last, it is proved for the two systems that when the control domain U is a bounded, closed set, the reachable set is the same as that when the control domain is the convex of U.It is an advancement for original results.

最后证明了当控制区域U是有界闭集时上述两个系统的等时区域与控制区域是U的凸包时的等时区域相同，推广了有限维的结论。

In this dissertation, the best simultaneous approximation with weight to infinite sequence from simultaneous-suns in complex normed linear space is considered, and in the case when the weight satisfies a certain condition, the characterizations of approximation from a simultaneous-sun and uniqueness of approximation from a RS-set are obtained; moreover, in the case when the weight is free, the characterizations of approximation to a totally bounded sequence from a convex set are established.

本文在复赋范空间中研究了同时太阳集对无限序列的加权同时逼近问题，在权满足一定条件时，通过把所研究问题转化为连续向量值函数空间中相应集对一个上半连续函数的最佳逼近问题，得到了逼近的特征和RS集逼近的唯一性定理，有例表明它们是已有结果的本质推广；在权不受限制时，得到了凸集对全有界序列逼近的特征。

The main works are to extend the related conclusions of continuous time systems to discrete time systems and the determination of state reachable set when bounded control input set is used. The properties of system's incremental gain are studied next.

文中第一步先讨论了应用耗散系统基本理论来界定系统诱导范数的方法：给出了确定有效系统耗散函数的方法：主要工作体现在将连续系统的相关结论推广到了离散系统：以及有界控制输入时系统状态能达集的界定。

Under the assumption that the constrained set is bounded and nonempty , we discussed the geometric properties of the feasible set for MFBLP model and Optimality conditions of MFBLP .

在约束集为非空有界的前提下讨论了可行集的几何性质，得到了可行集为约束集的若干个面的并，可行集为弱拟凸集等一些较好的几何性质。

He was blackballed by the committee because of his recent scandal.

他因最近的丑闻而被委员会投票驳回入会申请。

Which is the ability of a single person or firm to unduly influence market prices.

市场势力是指一个人或一个企业不适当地影响市场价格的能力。