可行解

However, because its feasible region is neither convex nor connected, this problem is intractable. Therefore, the nonlinear programming theory cannot be applied here directly.

然而该问题又是难解的，原因在于它的可行域既不是凸的又不是连通的，所以不能直接用现有的非线性规划理论来解决。

Generally, action of constraints exists in reliability optimization design 0f mechanical parts, which always makes the optimal points on the boundary of the feasible region.

在机械零件的可靠性优化设计中，普遍存在约束的作用，且最优解往往位子可行域的边界上。

Second, modal decoupling method for seismic response analysis of ED systems is developed. The computation results show that this method based on forcing decoupling the non-classical damping matrix of ED system has high accuracy. Combined with the aseismic design code being revised, an aseismic design process of ED structures is presented, and two design examples are given.

然后，提出了耗能减振结构地震反应分析的振型分解法，计算表明这种基于非正交阻尼矩阵强行解耦的方法有很高的精度；结合我国正在修订的建筑结构抗震设计规范，提出了滞变型耗能减振体系的抗震设计方法，并通过两个实例说明这种设计方法是可行的。

In order to improve the calculating precision of geodesic length and azimuth by inverse solution in the new form of geodetic coordinate system, the high-order corrective terms are added and the exact value of latitudinal scale factor of length calculated from geodetic latitude of the calculated points is adopted.

文中对新大地主题解算"的概念没有定义，而是直接引用文献[1，2]的概念，读者若不阅读文献[1，2]，就不清楚"新大地主题解算的概念，建议作者对此进行补充。2。 1、本文探索意在扩大新大地坐标系适用范围，进一步提高解算精度，方案可行，目标明确。

In chapter 4,first the geometrical properties and the existence of optima of special bilevellinear mixed integer programming problem are discussed.

刻画了几种特殊问题的可行集，并讨论其最优解的存在性。

According to the real time control experiment of the"3-2-1"type 6DOF platform, it proves that the real time motion control based on virtual simulation is a feasible control method. The designer himself needn't do the modeling and solving of the kinematic positive/negative calculation of the complex space structure and it deeply reduces the needs of the control hardware.

通过所进行的"3-2-1"型六自由度平台实时运动控制实验可以证明，所提出的基于虚拟仿真的实时运动控制是一种可行的控制方法，它不仅不需要设计者自己直接进行复杂空间机构的运动学正、反解的建模与求解，而且极大地降低了对系统控制硬件的要求。

Experimental results show that the application of negative feedback improves the algorithm's ability to find the good solutions and it is feasible.

实验表明，负反馈机制的应用增强了算法发现最优解的能力，是实际可行的。

The proper analyses in theory and some experiments on the vibration isolation effect for the vibration system consisting of vibration source, rubber mounts and nonrigid foundation are conducted.The calcula...

通过与传统隔震设计方法、本文物理模型的解析解和实验所得结果进行的比较可知，有限元分析模型绐出的隔振效果预测值在中高频范围(200～1000Hz)最为接近实验结果，从而为船舶动力装置高频隔振分析提供了一个可行的途径。

The numerical solution showed that the control strategy in this paper was effective.

数值模拟结果表明，文中的控制策略是可行的，而且可通过文中的方法可得到矩阵黎卡提方程的精确解(在计算机有效精度范围内)。

Based on the method of multi-objective fuzzy optimization and the overhead traveling crane design, a mathematical model of fuzzy optimization for main box beam section is established. A fuzzy goal anthology is constructed. The fuzziness of multi-objective function and constraints is defined. The transformation of the fuzzy constraints set to normal constraints set in real number domain is realized by applying optimal level cut set method. The optimal solution and optimal constraint value of sub-objective function in the feasible field are found using the genetic algorithms.

应用多目标模糊优化方法，以工程设计中桥式起重机箱形主梁设计为实例，建立了桥式起重机箱形主梁多目标模糊优化设计的数学模型，构造了模糊目标集，确定了多目标函数的模糊性和约束的模糊性，并应用最优水平截集法实现了模糊约束到实数论域上的集合转换，从而用遗传算法寻求到子目标函数在可行域空间的最优解和约束最优值。

We will see more and more activist government policies that distinguish economic activities according to the nationality of the actors.

我们将看到越来越多激进的政府政策，这些政策根据企业的国籍来区分经济活动。

If we can prove the independence of an axiomatic system, then we can guarantee the conciseness of this system, ie.

如果能够证明某个一阶谓词系统的独立性，那么就能够保证该系统的建立是精炼的，即没有任何一条公理或推理规则是多余的。