selection breeding是什么意思

网络释义

用法例句

This thesis mainly discusses the essential characters,producing modes and selected reproduction of the knowledge from library.

本文重点讨论图书馆真信念的基本特点、生长模型和选择繁殖。

The basic beginnings of genetic history lay in the ancient techniques of selective breeding to yield special characteristics in later generations.

遗传史发端于古老的选择性繁殖技术，这种技术能在后代当中产生独特的特征。

Study on Gamete Selection & Reproduction Fitness in Liriodendron

鹅掌楸属树种配子选择与雄性繁殖适合度

Selection on Meat Quality Traits and Its Genetic Correlation with Reproduction Traits in Beijing-You Chicken;

鸡肌内脂肪和肌苷酸性状选择及其与繁殖性状的遗传相关分析

Study on Genetic Law and Selection of Reproduction Traits in Inner Mongolia Cashmere Goats;

内蒙古白绒山羊繁殖性状的遗传规律及选择方法的研究

ICSA Based on Sexual Propogation for Image Restoration

一种基于有性繁殖的免疫克隆选择算法用于图像复原

Selection and Study on Propagation Technology of Salt-tolerance Urban Afforestation Species in Daqing Area;

大庆地区耐盐绿化树种的选择及繁殖技术研究

Reproductive Habitat Selection of Chinese Merganser(Mergus squamatus)and its Protection Strategy

中华秋沙鸭繁殖地生境选择及保护对策

Length of Effective Buds and Subculture Cycle of Bud Micro-propagation in Eucalyptus

桉树微芽繁殖有效芽长度与继代周期的选择

From the wild varieties, they selectively propagated and crossbred individual plants possessing desirable traits, such as bigger grains or larger numbers of grains.

他们从野生种开始，选择性地繁殖和杂交具有理想性状的植物个体，像是榖粒更大或更多。

Homologous Reproductive Traits of Small Tail Han Sheep Clone Screening Candidate Gene

同源克隆筛选小尾寒羊繁殖性状候选基因

Genetic Polymorphism of Six Genetic Loci and Their Correlation with Reproductive Traits

六个候选基因多态性与母猪繁殖性状关联分析

(of reproduction) characterized by asexual processes.

（指繁殖）无性生殖过程。

a plant that reproduces or is reproduced by apomixis.

单性生殖繁殖或由单性生殖所繁殖的植物。

Studies on Meat Quality and Reproductive Trait and Relavent Candidate Genes in Beijing-You Chicken;

北京油鸡肉质与繁殖性状及相关候选基因研究

Study on the Candidate Genes for Fecundity in Mongolian Sheep Double-lambs Group

影响蒙古羊双羔群体繁殖性状候选基因的研究

Determination of the Reproductive Performance of the Conservation and Breeding Base Population of Zongdihua Pig

宗地花猪产区保种选育基础群繁殖性能测定

Polymorphism of GDF9 as a candidate gene for fecundity in sheep

绵羊高繁殖力候选基因GDF9的多态性分析

Three or four ramets of each selected tree are grafted.

对选择出来的每一棵优株都嫁接繁殖3-4个分株。