polytypic evolution是什么意思

用法例句

Efficacy and safety of hematopoietic stem cell mobilization by granulocyte colony-stimulation factor in patients with progressive multiple sclerosis;

粒系集落刺激因子对进展型多发性硬化患者造血干细胞的动员效果及安全性

Objective The clinical features of 8 patients with primary progressive multiple sclerosis (PPMS) in our department were investigated.

目的　分析我院 8例原发进展型多发性硬化 (PPMS)患者的临床特征。

The karyotype evolution in Acridoidca is discussed preliminarily.

本文对新疆３６种（亚种）蝗虫的染色体进行了研究，共得到２ｎ＝１６＋ＸＯ、２ｎ＝１８＋ＸＯ、２ｎ＝２０＋ＸＯ、２ｎ＝２２＋ＸＯ四种染色体数；对其中获得的１６种蝗虫染色体组型做了比较分析；并对蝗总科（Ａｃｒｉｄｉｄｅａ）染色体的演变（核型进化）进行厂初步探讨。

By employing the evolution model of one-dimension signals, an evolution model o f the image is constructed in a generalized space, and the relationships between the parameters of the proposed model and the physical variables of the image ar e given, on the basis of which a structural information model of the image is pr oposed, H (Tran) being defined as the structure entropy of the image.

采用一维信号的进化模型 ,建立图像广义空间的进化模型 ,得出了各种参数与图象物理参量的关系 ,据此建立了图像结构信息模型 ,指出H (Tran)是图像结构熵 ,图像应向结构熵最大的方向进化 。

Present an evolution model to record the process of creating,developing,implementing,expanding and destroying a software component(include various models and codes).

提出并详细介绍了基于UML支持环境中的进化模型。

In this paper,ecology theory was used to investigate the structure and evolution of interagency information sharing system of E-Government,and both structure model and evolution model for this system were proposed.

本文运用生态学的理论和方法,考察了电子政府部门间信息共享系统的结构和进化方式,提出了电子政府部门间信息共享生态系统的结构模型和进化模型。

Comparing the karyotypes of six subjects and with some stably specialized traits in morphology,the evolution of karyotypes in Citrus were also discussed.

比较6个材料的核型,并结合其稳定特化形态学特征,讨论了柑桔属植物的核型进化。

The cluster analysis of karyotype evolutionary distance in native sheep

国内主要绵羊品种基于染色体核型进化距离的聚类分析

Karyotype Analysis and Evolutionary Trends on Corylus. Avellana L. and C. Heterophylla Fisch

欧榛、平榛种质核型分析与进化趋势

KARYOTYPE ANALYSIS OF ABIES FORRESTII WITH A DISCUSSION ON THE EVOLUTIONAL POSITION OF ABIES ( PINACEAE )

川滇冷杉的核型分析兼论冷杉属的进化地位

The present paper deals with the karyotypes of 30 taxa of genus Citrus.

作者研究了柑桔属30个分类群的核型及进化。

THE KARYOTYPE ANALYSIS OF AEGILOPS WITH SPECIAL REFERENCE TO THE RELATIONSHIP BETWEEN THE GENUS AND TRITICUM

山羊草属核型分析及其与小麦属的进化关系

Comparative Karyotype Characterization and Chromosomal Evolution of Six Groupers;

六种石斑鱼核型特征比较和染色体进化研究

An Evolutionary Model between Governments and Core-enterprises in Green Supply Chains;

绿色供应链中政府与核心企业进化博弈模型

Analysing and Discussing on the Model of Nucleotide Substitution in Evolution of Genes;

基因进化过程中核苷酸替代模型的比较分析

Karyotype Analysis and Evolutional Trend of Geographical Provenances of Arborvitae in China

中国侧柏地理种源核型分析与进化趋势

Karyotype of 4 Species of Salsola L. in Xinjiang and Their Evolution

新疆猪毛菜属4种植物核型分析及进化研究

The karyotype and evolutionary relationship among 5 species water fleas Moina

5种裸腹溞的核型及亲缘进化关系的研究

Molecular evolutionary analysis of matrix protein and nucleoprotein genes of novel influenza virus A/H1N1 in 2009 pandemic

2009年新型甲型H1N1流感病毒基质蛋白及核蛋白基因进化分析

Oxidized Low Density Lipoprotein Promotion of Adhesion of Monocytes toEndothelial Cells in Vitro by

氧化型低密度脂蛋白促进单核细胞－内皮细胞体外粘附反应

Genetic Diversity and Evolution about bro Genes in Bombyx Mori Nucleopolyhedrovirus;

家蚕核型多角体病毒（BmNPV）bro基因的遗传多样性和进化分析

The Construction of Eukaryotic Gene Promoter Location Model Based on Evolutionary Neural Network;

基于进化神经网络的真核生物基因启动子位点确定模型的建立

Chitinase gene of Orgyia ericae single-nucleocapsid nucleopolyhedrovirus (OrerSNPV) and its phylogenetic relationship to other baculovirus ChiA genes;

灰斑古毒蛾核型多角体病毒几丁质酶基因及其分子进化

Phylogenetic Analysis of the Mating Type MAT Gene on Sclerotinia Sclerotiorum and Construction of the Targeting Vector

核盘菌交配型基因MAT的系统进化分析与敲除载体构建