Study on tissue culture techniques of triploid Populus tremula;
三倍体欧洲山杨组培技术的研究
This study was performed to establish a method for single chromosome microdissection and microcloning in forest plants using poplar(Populus tremula) as a model.
以欧洲山杨(Populustremula)根尖细胞为材料,采用玻璃针分离法,通过显微操作器成功地分离出一号染色体。
The Populus euphratica calli were cultivated to study its salt tolerance ,which was compared with Populus tremula.
本文以胡杨和欧洲山杨愈伤组织为研究材料,比较了两者耐盐性的差别。
Growth Characteristics of One-year Group Seedling of Populus tremulagigas;
欧洲三倍体山杨1 a生组培苗生长特性
Analysis on SNPs linked with wood properties of Populus nigra L.gene resources;
欧洲黑杨基因资源材性关联基因的SNP分析
Quantity Genetic Analysis of Physiological and Growth Properties for Populus nigra L.;
水分胁迫下欧洲黑杨无性系生理和生长指标的数量遗传分析
As an important gene donor of many poplar varieties in the world, Populus nigra L.
欧洲黑杨(Populus nigra L。
A Hybridation Study between Populus nigra and P.szechuanica,P.yunnanensis and the Seedling Traits of the Hybrids;
欧洲黑杨分别与川杨和滇杨杂交及其F_1代苗期性状
Association Analysis Between SSR Molecular Markers and Wood Properties of Populus nigra;
SSR标记与欧洲黑杨材性性状的关联分析
Comporison of Genetic Variations of Black Poplar (Populus nigra L.) Gene Resource by Microsatellite Markers;
欧洲黑杨育种基因资源SSR多态性比较研究
Study on the Establishment of the Rapid Propagation System of Triploid European Aspen;
三倍体欧洲山杨快速繁殖体系的建立
Cross-breeding and Hybrid Analysis by SSR Markers between Populus Nigra and P.szechuanica, P.yunnanensis;
欧洲黑杨与川杨、滇杨杂交及杂种苗的SSR分析
The Study on the Breeding of New Clones of Populus Davidiana×P.tremuloides;
中国山杨与美洲山杨杂交种新品系选育研究
shrub of mountainous areas of Europe.
欧洲山地的一种灌木。
Schopenhauer has said that syphilitic sores were the most distinctive feature of modern European civilization.
叔本华早说近代欧洲文明的特点，第一是杨梅疮。
Study on the Drought-resistance and Genetic Variation of Genetic Resources of Populus Nigra;
欧洲黑杨基因资源的抗旱性及遗传变异研究
Primary Studies on Safety Assessment of Transgenic Bt P.Nigra;
转Bt杀虫基因欧洲黑杨安全评价初步研究
The Alps are the biggest mountains in Europe.
阿尔卑斯山是欧洲最大的山脉。
The height of the African mountains seems small compared to those of Europe and Asia.
非洲的山一般说来没有欧洲和亚洲的高。
any of several evergreen shrubs of the genus Arbutus of temperate Europe and America.
任何属于杨梅属的常青的灌木，分布在欧洲和美洲的温带地区。
Factory Production Technique for Culture of Populus Tremla×P.Tremuloides;
欧美山杨杂种组培工厂化育苗技术研究
From the Atlantic Ocean to the Ural Mountains stretches the continent of Europe.
欧洲大陆从大西洋一直绵延至乌拉山。
common western European partridge with red legs.
欧洲西部红腿的普通山鹑。
evergreen hawthorn of southeastern Europe.
欧洲东南部的一种常绿的山楂属植物。
annual European vetch with red flowers.
开红花的欧洲一年生山黧豆。
At 2, 473 metres, it is the highest mountain pass in Europe.
海拔2, 473O米，是欧洲最高的山口。
any of several voles of mountainous regions of Eurasia and America.
欧亚大陆和美洲多山地区的几种田鼠。
of mountainous areas of southern Europe.
产于欧洲南部的多山地区。