variation是什么意思

网络释义

用法例句

This article deeply explores and analyzes the concept of species, discusses some ways and biological essence of the intraspecific variation of Chinese medicinal materials, expounds views and methods concerning species in the study of TCM, po.

本文对物种的概念进行了深入的探讨和剖析;论述了药材种内变异的若干方式及其生物学实质;阐明了中药研究中的物种观点和方法;指出了物种或种在中药的安全性、有效性和质量稳定性方面的重要作用和意义;最后,提出物种观点和生物多样性的利用对策。

philoxeroides description, intraspecific variation from native to introduced regions, its life history strategies, invasion mechanisms, and management strategies.

本文结合对喜旱莲子草在原产地的分布状况的考察、原产地和入侵地喜旱莲子草的比较研究,以及入侵生态学研究的最新成果,对该物种在原产地的地理分布和种内变异、生活史特征、入侵机制和控制策略等方面进行评述,以提高我国科研人员对这一外来入侵种的认识,为科学管理和控制提供依据。

Longshu 3 was developed from mutants of Yanshu 5 by means of meristem-tip culture,which was a successful attempt on variation breeding by clone of somatic cell.

龙薯3号系龙岩市农科所1996年从岩薯5号茎尖组培发生的突变体中选育而成,是利用体细胞无性系变异育种的成功尝试。

Study on Intraspecific Variation of Palynology Characteristics in Rhododendron

杜鹃属植物孢粉学特性种内变异研究

The Chemical Constituents of Anti-PMS Activity, Intraspecific Variation and Quality Evaluation of Fructus Viticis;

蔓荆子抗PMS物质基础、种内变异和品质评价研究

Studies on Pharmacognosy of Valeriana L. and Intraspecific Variation of Valerian in China;

中国缬草属植物的生药学及缬草的种内变异研究

Studies on Plant Resources Intraspecific Variations of Fructus Cnidii and Its Antiosteoporotic Effects;

中药蛇床子的植物资源、种内变异和抗骨质疏松研究

Intraspecific Variation and Geographical Differentiation of Malus hupehensis Based on Exsiccate-specimen Analysis

基于蜡叶标本分析的湖北海棠种内变异与地理分化研究

3.There was abu ndant genetic variation within and between the species;

3 .种间或种内存在丰富的遗传变异 ;

The intraspecific variation of Malus hupehensis analyzed by SRAP

湖北海棠种内遗传变异的SRAP分析

Continuous variation (quantitative variation; multifactorial inheritance) A form of variation in which the characters show continuous variation within a certain range of values.

连续变异：变异的一种类型，其性状在一定的范围内是连续变化的。

ON THE CORRELATIONS OF VARIATION PATTERN BETWEEN TAXA OF INDIGOFERA DECORA COMPLEX

庭藤种综内分类群间变异式样的相关性

Studies of the Morphological Variation on and ITS Sequence Analysis of Paris Polyphylla Smith;

多叶重楼种内的形态变异及其ITS序列分析

Growth Rhythm Comparison among Different Variation Types of Pinellia ternata

半夏种内不同变异类型生长节律的比较

While the intra and inter coefficient variations(CV) were 6.7% and 22.6% respectively.

批内变异和批间变异分别为6.7%和22.6%;

PRELIMINARY STUDIES ON RADIAL VARIATION PATTERNS OF WOOD PROPERTIES WITHIN TREES Ⅱ. STUDIES ON THE RADIAL VARIATION PATTERNS OF WOOD DENSITY IN 7 CARIBBEAN PINE PROVENANCES

木材材性株内径向变异模式初探Ⅱ．七个加勒比松种源木材密度径向变异模式的研究

A FURTHER STUDY ON THE CORRELATIONS OF VARIANCE AND TAXONOMIC RANKS BETWEEN TAXA OF INDIGOFERA DECORA

论庭藤种综内分类群间的变异相关性与分类地位

Studies on Genetic Diversity and Hybrid Progeny Genetic Variation of Bambusa Chungii and Dendrocalamus Latiflorus;

粉单竹遗传多样性和麻竹种内杂交子代遗传变异研究

Comparing Study on Intraspecific Type(Red Wood) and form (White Wood) of Larix Gmelinii (Rupr.) Rupr.;

兴安落叶松种内红材型与变异类型-白材型的比较研究

Genetic Variation on Growth and Genetic Diversity of Half-sib Families among Provenince of Platanus Occidentalis L. in Eastern China;

一球悬铃木种源内家系生长遗传变异及遗传多样性

Morphological, Pathogenic and Genetic Variability among Isolates of the Nematophagous Species of Hirsutella Spp.;

食线虫菌物被毛孢种内形态、致病性及遗传变异研究