可行约束

Finally, Practice has proved that the technical approach supported with GIS and the evaluation of the county's ecological security pattern based on nature-ecology restriction are feasible. At last some policies and suggestions about how to construct the regional ecological security pattern are put forward.

实践表明GIS技术支撑下的、基于自然－生态约束评价的县域生态安全格局构建的技术方法是可行的；并针对该县的实际情况提出县域生态安全格局建设的相关建议。

The main contributions of the dissertation are as follow:(1) The possibility of generation hexahedron mesh through tetrahedron conversion method was studied,and a set of feasible method to deal with the boundary condition of constraint and loads has been brought forward.

本文的主要工作包括如下几个方面：(1)研究了在紫瑞CAE基础上采用四面体转换法进行六面体网格全自动剖分的可行性并对约束和载荷的处理提出了一套可行的方案。

The infeasibility degree was introduced into the mathematical model of voltage regulation, which can deal with the constraints of the model. In addition, an improved genetic algorithm was used to solve the voltage regulation problem.

在电压无功调整的数学模型中引入了不可行度概念，用于处理模型中的约束条件，并结合改进遗传机制的遗传算法对系统进行电压无功调整。

The feasible area for this kind of programming changes into boundary, and there is no interior point.

当规划问题为混合约束时，可行域变成一个边界区域，并没有内点。

In this paper, by using some characteristic quantities such as value function, trust region radius, etc. in trust region method, we present a global error bound for the distance between a feasible solution and the optimal solution under the condition that the gradient vector of the objective function is strongly monotone.

本文利用信赖域方法中的几个特征量（由预测下降量给出的价值函数与信赖域半径等），在目标函数的梯度向量是强单调的条件下，为约束最优化问题的可行解与最优解之间的距离提供了一个全局误差界。

Numerical simulation example shows that, under satisfying constraint conditions of equation of state, it is feasible to obtain the optimal trajectory by optimal control and genetic algorithm.

数值仿真算例表明，在满足状态方程约束条件下，通过最优控制解法和遗传算法求取最优弹道方法可行。

The sculptured surface is machined with the difference method.3. In order to support sculptured surface design oriented to manufacturing,an embedded-computer-based platform was presented.

针对一个雕塑曲面零件设计实例，通过对模具分型方向和加工约束进行分析，给出了可行的分型曲面设计结果，验证了所提出的曲面可制造性分析方法的可行性。

This work provides a feasible theory thereunder in the displacement analysis of parallel manipulator in advance research.

在各种约束存在条件下，分析了刚体平台相应的运动轨迹形式，为今后对多刚体的形位分析提供了可行的理论依据。

One is the stable constraints are too strong, and the other is the polynomial model representation of nonlinear systems is too conservative.

该算法通过调整参数大小可有效放宽约束条件，从而可扩大算法的适用范围；在第三章中，提出了基于可行解的线性矩阵不等式非线性预测控制算法。

In this paper, combined the generalized projection technique and the idea of strongly sub-feasible direction method, a new sequential quadratic programming algorithm for inequality constrained optimization problems is presented.

本文结合广义投影技术和强次可行方向法的思想，给出了一个新的求解不等式约束优化问题的序列二次规划算法。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。