Q-mode facter analysis是什么意思

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用法例句

Study on numerical taxonomy of Curcuma L. by rough-set theory and cluster analysis;

粗糙集聚类分析对姜黄属植物数值分类的研究

Numerical taxonomy and 16S rDNA PCR_RFLP analysis of rhizobial strains isolated from root nodules of cowpea and mung bean grown in different regions of China;

我国豇豆和绿豆根瘤菌的数值分类及16S rDNA PCR_RFLP研究

16S rDNA PCR-RFLP analysis and numerical taxonomy for rhizobia Isolated from Trifolium,Crotalaria and Mimosa;

三叶草、猪屎豆和含羞草植物根瘤菌16S rDNA PCR-RFLP分析和数值分类研究

The vegetation growth of afforested land was studied by numerical classification techniques in the Dry_hot Valleys the Jinsha River, southwestern China.

采用数值分类方法研究了金沙江干热河谷区人工林生长与土壤母质 -母岩的关系。

By means of taxonomy and numerical classification,the soils in Hanzhong Basin were studies.

应用系统分类体系和数值分类方法对汉中盆地土壤进行研究表明，发育在不同母质和海拔高度的土壤，剖面形态、发生特性和成土过程均存在明显差异，应在土类以上的等级上区分开来：其中发育在粘黄土母质上的土壤为淋溶土纲、铁质湿润淋溶土土类；发育在基岩风化物母质上的土壤为富铁土纲、粘化湿润富铁土土类；分布在中山区暖温带湿润地区的土壤为淋溶土纲、简育湿润淋溶土土类。

Traditional cluster analysis is a practically important technique often used in numerical classification.

传统的聚类分析是常用的重要数值分类方法。

A numerical taxonomy of 20 samples of Perilla frutescens (L.

选取 2 6个性状 ,应用不加权算术平均配对法对来自云南各地的 2 0份紫苏试材进行了数值分类学研究。

The Progress in application of Fungi Imperfecti,Ascomycetes and Basidiomycetes and the present situation of numerical taxonomy developed to fungi in China are conclusively reviewed.

数值分类学是本世纪50年代后期首先应用于细菌并发展起来的不同于传统分类的新的分类方法。

Determining operating parameters of hydraulic rig by numerical method;

用数值分析法确定液力传动钻机的运行参数

Numerical Taxonomic Study of 5 Species and 4 Strains of Anopheles Hyrcanus Group (Diptera: Culicidae)

赫坎按蚊种团中5种4株的数值分类

A PRIMARY STUDY ON THE NUMERICAL CLASSIFICATION OF SODA SALINE SOILS IN SONG-NEN PLAIN OF NORTHEAST CHINA

松嫩平原苏打盐渍土数值分类的初步研究

A class of iterated function systems of fractal interpolation surfaces with multiparameters

一类多参数分形插值曲面迭代函数系

The integer data type is used to specify a numeric value without a fractional component.

整数数据类型用于指定没有小数部分的数值。

The Initial Value and Boundary Value Problems for Some Classes of Fractional Differential Equations

几类分数微分方程的初值问题和边值问题

Numerical Solution and Analytic Solution for two Classes Fractional Differential Equation;

两类分数阶微分方程的近似解析解与数值解

Several Numerical Methods for Solving Fractional Differential Equations;

求解分数阶微分方程问题的几类数值方法

Numerical Analysis of One-Leg Methods for a Class of Delay Differential Algebraic Equations;

一类延迟微分代数方程的单支方法的数值分析

The Study of Numerical Algorithms for Fredholm Integral Equations of the First Kind;

第一类Fredholm积分方程数值算法的研究

Numerical Simulation of the Mixed Finite Element Method for Two Kinds of Evolution Equations;

两类发展方程混合元方法的数值分析

On the Generalized Integrals of Meromorphic Functions and Their Cauchy Principal Value

一类亚纯函数的广义积分及其Cauchy主值

A Regularization Method and Example for the Numerical Differentiation

一类求数值微分的正则化方法及算例

Convergence of the Grünwald-Letnikov Scheme for a Class of Black-scholes Time-fractional Diffusion

一类分数次Black-Scholes方程数值逼近的收敛性

A Numerical Method to a Class of Optimal Parameter Selection Problems with Integro- Differential Systems

一类积微分系统最优参数选择问题的数值算法

The Boundary Value Problem for K-regular Function and for Generalized Regular Function Vectors in Clifford Analysis;

k-正则函数的两类边值问题和Clifford分析中一类边值问题

Numerical Computing of Two Kinds of Nonlinear Partial Integral Differential Equation;

两类非线性偏积分微分方程的数值计算

Numerical Analysis of Volume Element Methods for Two Kinds of Partial Differential Equations;

两类偏微分方程体积元方法的数值分析

The Mixed Finite Element Method and Numerical Analysis for Two Kinds of Parabolic Partial Differential Equations;

两类抛物型偏微分方程混合元方法的数值分析