简约法

结合已发表人的序列，用简约法构建了基因树。

Combined with the human tyrosinase gene sequence , the gene tree was constructed using parsimony method .

目前常用的构建发生树的方法有三种，即距离法、最大简约法和最大似然法。

There are three frequently used method : distance method , maximum parsimony method , and maximum likelihood method .

扁核木为外种群，用Mega最大简约法构建系统发育树。

Prinsepia sinensis as outgroup , the maximum parsimony tree was constructed with Mega .

以USA为外类群利用最大简约法构建了大豆疫霉根腐病菌的系统发生树，并分析了菌株之间的遗传进化关系。

Taking isolate USA as outgroup , the phylogenetic tree was constructed by means of maximum parsimony analysis , and the genetic evolution among isolates was analyzed .

采用邻接法（Neighbor-joiningMethod，NJ）和最大简约法（MaximumParsi-monyMethod，MP）进行分析，并构建分子系统树，探讨羊肚菌属的分类地位及进化关系。

The Neighbor-Joining method and Maximum Parsi-mony method were adopted to construct the molecular phylogenetic tree , so as to elucidate the taxonomic status and the evolutionary relationship of morel .

采用Kimura双参数模型计算遗传距离：并用邻接法（NJ）、最大简约法（MP）和贝叶斯法（Bayesian）重建了黄颡鱼属鱼类的分子系统树。

The Kimura 's 2-Parameter sequence divergences were calculated and molecular phylogenetic trees were reconstructed by using the neighbor-joining ( NJ ) and maximum parsimony ( MP ) methods as well as Bayesian inference .

距离矩阵邻接法、最大简约法和最大似然法是重建生物系统关系的3种主要方法。

Three major methods , Neighbor-Joining ( NJ ), Maximum Parsimony ( MP ), and Maximum Likelihood ( ML ), are widely used for phylogenetic reconstruction .

通过使用邻接法、最大简约法、最大似然法和贝叶斯法建立了基于以上三种不同基因序列的系统发育树，并与形态学的研究方法相结合，研究了浒苔属的系统发育关系。

The phylogenetic trees were established by neighbor joining , maximum parsimony , maximum likelihood and Bayesian methods together with the morphological study in the genus Enteromorpha .

并通过序列分析比对，运用邻接法和最大简约法构建了雀形目18种鸟类的系统发育树。

Through sequences analysis in comparison with each other , phylogenetic tree figures of18 species of passerines were constructed using Neighbor-Joining ( NJ ) and Maximum-Parsimony ( MP ) methods .

应用最大简约法，并利用3个基因组的共8个基因序列（去除了编码基因密码子第3位点的转换信息）对18个植物分类群进行了系统发育树的构建研究。

An evolutionary tree containing 18 taxons was reconstructed using 8 gene sequence data ( minus 3rd codon position transition information ), which convered 3 plant genomes , by maximum parsimony method .

由于标的资产设置的不同，两类模型各有其独到的优势，具有不可否认的学术价值和实际作用，但也存在一些缺陷和问题：1、简约法模型在刻画违约风险上的缺陷。

Since their different underlying asset , the two types of approach have their respective merits and undeniable value , but they also have some limitations . 1 . Reduced-Form Approach has a limitation on capturing default risk .

简约梯度法与ROSEN梯度投影法的一个关系

On relation between rosen 's gradient projection method and a reduced gradient method

算例表明：对于小规模问题，此法优于Fletcher算法和简约梯度法。

These examples show that this method is better than Fletcher ′ s algorithm and reduced gradient method for small-scale problems .

一般二次规划（QP）常用Fletcher算法或简约梯度法求解，只能得1个KT点，未必是整体最优解。

Usually by using of Fletcher ′ s algorithm or reduced gradient method to solve general quadratic programming , only one K-T point is obtained , but it is not necessarily the optimal solution .

本文根据变速调节时离心泵特性曲线的数学模型，运用WOLFE简约梯度法提出对给水泵站输水系统工况的优化调度。

Based on the mathematical model of the characteristic curve of centrifugal pumps during speed adjustment , this paper proposes an optimization programme of the water supply pumping station management by using the WOLFE reduced gradient method .

本文对广义简约梯度法程GRG-2进行了开发，并研制了改进程序GRG-C.考程结果表明，GRG-C程序在可靠性、效率等方面均优于ORG-2程序。

Program GRG-2 for the Generalized Reduced Gradient ( GRG ) Algorithm well-known over the world is improved in reliability and efficiency with the develop-ment of program GRG-C by the authors . The improved program is described .

解线性等式&不等式约束问题的一种简约梯度法

A reduced gradient method for the problems with the linear constraints

多目标决策问题的交互式简约梯度法

Interactive Reduced Gradient Method of Multiobjective Decision - Making Problem

梯度投影法与改进简约梯度法的关系

Relationship between gradient projection method and modified reduced gradient method

对带有线性等式和不等式约束非线性规划提出一种改进简约梯度法。

A reduced gradient method for nonlinear programming problems with linear equality and inequality constraints is presented .

在此宏观模型的基础上，利用简约梯度法推求各供水泵站优化的工况点。

Based on this macroscopic model , reduced gradient method was applied to search for the optimal working conditions of pumping stations .

采用广义简约梯度法求解此数学模型，探讨了其计算过程。

The general reduced gradient method is used to find the solution of the mathematical model , and the calculation process is discussed .

国内外专家学者对其进行了深入的研究，提出了许多种调度方法，包括模拟退火算法，广义简约梯度法，动念规划法，以及遗传算法等。

Research has been carried out by experts from our country and abroad in Control methods , including simulated annealing method , generalized reduction gradient , dynamic programming method and genetic algorithm .

本文针对多目标决策问题的约束条件为线性和非线性两种情况，利用单目标优化方法中的简约梯度法，提出了一种交互式决策方法，该方法适合于求解大规模多目标规划问题。

In view of the two situations of linear and nonlinear constraint condition , the reduced gradient method among single objective optimization methods is adopted in the paper . An interactive decision-making method is propsed . The method is suit to solve large scale multiobjective programming problem .

介绍了材料损伤的基本原理以及Cockroft-Latham损伤模型，提出了一种基于简约下降梯度法的锻造成形工艺优化方法。

The principle of material damage and the Cockroft-Latham damage model were introduced . A method of forging process design optimization was proposed based on a generalized reduced gradient .

一个解线性约束非线性优化问题的简约梯度投影法

A reduced gradient projection method for linearly constrained optimization