递阶系统的英文

• high dispersion diffraction image

• 递:    hand over; pass; give
• 阶:    steps; stairs
• 系统:    system
• 分级系统；递阶系统:    hierarchical system
• 二阶系统:    second order system; second-order systems

例句与用法

1. The mathematical model for two - level hierarchical system optimization and their decomposition - coordination algorithms
   二阶递阶系统优化的数学模型及其分解协调算法
2. Details are as follows : we deal with properties of bilevel linear programming and prove the equivalence of bilevel linear programming and optimization over the efficient set . a class of multi - objective tow level programming , i . e . the upper - level is single objective and the lower - level is linear multi - objective , is mainly discussed . it can be converted into the optimization over the efficient set with parameter and an algorithm is given with its finite termination being proved ; when the upper - level is linear function , an exact penalty function algorithm is given
   分层(分级)递阶系统是社会组织管理的主要形式，多层规划是研究这类系统优化问题的基本模型，其鲜明的实际背景和广泛的应用前景引起了人们的广泛关注，成为一个新兴的活跃的研究领域，本论文研究了二层规划中的若干问题，主要工作如下：讨论了二层线性规划的性质，并证明了它与零有效集上优化问题的等价性；对一类二层多目标规划(上层为单目标规划、下层为线性多目标规划的问题)进行了探讨，将其转化为含参变量的有效集上的优化问题，进而给出了一种算法，并证明了该算法的有限终止性；当上层为线性单目标时，给出了一种罚函数方法