1.
Studies on Programmed Cell Death of Elm Seeds
家榆种子细胞程序性死亡相关事件的研究
2.
Studies on the Mechanism of PCD of Elm Seeds during Accelerated Aging
家榆种子人工老化过程中细胞程序性死亡机理的研究
3.
Seed zones of Chinese forest trees--Seed zones of Ulmus pumila L.
GB/T8822.13-1988中国林木种子区白榆种子区
4.
Some Relationships Between Leaf structure and Resistance to Insects of Elms
榆属树种的叶子结构与抗虫性的关系
5.
Study on Seed Germination Charictaristic and Seed Vigor Changes of Three Elm Species
三种榆属树种种子萌发特性及活力变化的研究
6.
"I haven't any pity for a man who would be such a chump as that."
"我对这种榆木脑瓜的家伙一点也不可怜。”
7.
Dynamic Changes of Storage Materials in Ulmus pumila L. Seeds of Different Soil Types
不同土壤类型白榆种子贮藏物质的动态变化
8.
The farm is fenced round with elms
农场周围种着榆种。
9.
Ulmaceae, Betulaceae and Leguminosae are the predominant families of the leaf flora both in species diversity and specimen quantity.
被子植物中 ,榆科、桦木科、豆科无论属种或者化石数量都是最多 ;
10.
Holmes crossed two compatible races of ceratocystis ulmi, the causal agent of Dutch elm disease.
霍姆斯曾把荷兰榆病害的致病因子，长喙壳的两个亲和小种杂交。
11.
Study on the Change of Physiology and Biochemistry of Ulmus pumila L. in Different Soil Types Seed During Germination
不同土壤类型白榆种子萌发过程中生理生化变化的研究
12.
The Drought-Resistance Characteristics of Four Different ELM Tree Seedlings in Yulin Region
榆林地区4种榆属树种苗期抗旱特性的研究
13.
Study on Comparing of Photosynthetic Characteristics and Freezing Resistance of Ulmus Pumila Cv.Jinye and Ulmus Pumila
金叶榆、家榆光合特性及抗寒性的比较研究
14.
Analysis of Population Characteristics of Ulmus Pumila Sparse Forest in Hunshandake Sandy Land;
浑善达克沙地榆树疏林榆树种群特征分析
15.
An elm tree(Ulmus alata) of the southeast United States, having twigs with winged, corky edges.
翅榆一种美国东南部榆树（翼枝长序榆榆属），具有有翼和软木质的小枝
16.
A thin or membranous extension, such as of the fruit of the elm, maple, or ash or of the seed of the pine.
翼膜榆树、枫树或白蜡树的果实或松树的种子的薄的或膜状附加部分
17.
Study on Paternity Test of Populus Alba Linn. × Ulmus Pumila Linn. and Filial Generation Utilization;
银白杨×白榆亲子鉴定及子代利用研究
18.
hard tough wood of an elm tree; used for e.g. implements and furniture.
坚硬的榆树木料，用于制工具和家具等。