| 释义 |
ul·mus AHDˈəlməs COCA¹⁷³¹⁹¹BNC¹¹⁴⁰²⁴⁺⁵
基本英英例句例句
榆属¹⁰⁰
Noun:
type genus of family Ulmaceae; deciduous trees having simple serrate leaves; widely distributed in temperate regionsTechnology of GraftingUlmuspumila var, pendula Rehd.垂榆嫁接技术。
Experiment on Grafting and Planting ofUlmuspumila var. Pendula Rehd.垂榆嫁接及栽植的试验研究。
A Preliminary Study on the Mathematic Model of Leaf Area ofUlmuspumila Linn.与相似的文献。
An elm tree 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
Preliminary analysis on genetics of phenotype measuration of plus tree ofUlmuspumita Linn.白榆优树表型测定的遗传学初步分析。
A Study on the Distant Hybridization between Populus alba Linn. AndUlmuspumila Linn.银白杨与白榆远缘杂交的研究。 The pollen analysis results of total of 122 surface soil show that the average arboreal pollen percentages are 18%, where Pinus and Ulmus are dominant pollen assemblages;
研究结果表明：安阳地区表土花粉组合中乔木花粉百分比平均为18%，以松属和榆属为主； boshuo
The application of the structure of leaf epidermis in the classification of Ulmus.
标题叶表皮结构在榆属分类中的应用。 www.cvh.org.cn
The root biomass and RLD of Ulmus macrocarpa and Quercus mongolia correlated positively with soil organic carbon, total N and P, available nutrient.
大果榆和蒙古栎苗根系的生物量和根长密度与土壤中的有机碳、全氮、全磷和速效养分显著相关； fabiao
A North American deciduous tree Ulmus americana having double serrate leaves and winged fruits. It is grown chiefly as an ornamental shade tree but often dies from Dutch elm disease.
一种北美落叶树美洲榆 ，有双齿叶和双翼果，主要作为观赏性浓荫树，但常患荷兰榆树病而坏死。 http://www.79cha.com
Diversity Indices were applied to analyze the species diversity of sparse Ulmus Pumila L forest pasture, and contiguous grid quadrats were used to test the distribution pattern of arbor population.
应用多样性指数对科尔沁沙地榆树疏林草地的物种多样性进行了研究，并用空间格局指数测定了乔木种群的分布格局。 cnki
New species of the genus Ulmus L. from northeastern China.
文章题目中国东北产榆属新树种。 www.cvh.org.cn
Root biomass and RLD of Fraxinus mandshurica and Ulmus macrocarpa correlated positively with soil moisture, but Quercus mongolia was opposite.
水曲柳和大果榆苗根系的生物量、根长密度与土壤含水量之间呈正相关，而蒙古栎苗为负相关； fabiao
Slippery Elm Ulmus rubra bark was used both internally and externally by native Americans and early pioneer settlers.
榆榆树杨梅用树皮内部和外部的土生土长的美国人和早期定居者的先驱。0911553446
The grafting and cutting propagation tests of Ulmus pumila cv.
对中华金叶榆进行嫁接和扦插繁殖试验。 dictall
Ulmus pumila open forest ecosystem plays an important role in Otindag Sandy Land.
榆树疏林生态系统是浑善达克沙地的重要组分之一。 zidian8 |