1.
Seed Quality Test and Sowing Experiment of Four North America Introduced Tree Species
4个北美引进树种种子品质检验及播种育苗方法
2.
Flooding responses of eight tree species introduced from America
8种美国引进树种苗期水涝胁迫的响应差异
3.
an ash of the Western coast of North America.
北美西海岸的一种岑树。
4.
Present Condition and Development Strategy of Introduction of Exotic Needle-leaved Tree Species in Northeastern China
东北地区外来针叶树种引种现状及发展策略
5.
tall evergreen of North American Pacific coast often cultivated for ornament.
北美太平洋海岸常绿高大树种，装饰用。
6.
any of several Asian and North American conifers of the genera Thuja and Thujopsis.
亚洲和北美金钟柏属针叶树种。
7.
small to medium deciduous oak of east central North America; leaves have sharply pointed lobes.
北美中部东面的一种栎树,树型小或中等；叶尖裂。
8.
tree of eastern North America with thin lustrous yellow or gray bark.
北美东部的一种树,树皮薄,黄色或灰色,有光泽。
9.
small evergreen of eastern North America having tiny scalelike leaves on flattened branchlets.
北美东部常绿小型树种，小型鳞状叶片，树枝扁平。
10.
small spruce of boggy areas of northeastern North America having spreading branches with dense foliage; inferior wood.
北美东北沼泽地区的小型云杉，树枝外展，叶茂密；低等树种。
11.
tall-growing pine of eastern North America; bark is brown with longitudinal fissures when mature; valued as a timber tree.
北美东部一种高大的松树；成树树皮纵向裂开，呈褐色；木材。
12.
Research on Response and Assessments of Several Introduced Tree Species to Salt Stress
几种引进树种耐盐性响应及耐盐性评价研究
13.
tall tree of North American Pacific coast having cypress-like foliage and cinnamon-red bark.
北美太平洋海岸一种高大树种，叶类似于柏木叶，肉桂色树皮。
14.
Preliminary Studies on Seedling Growth and Energy Characters of Poplar Clones Introduced from USA;
美国引进杨树无性系的苗期生长与能源性状
15.
common yellow-flowered iris of Europe and North Africa, naturalized in United States and often cultivated.
欧洲和北非的一种普通黄花鸢尾，被引种于美国。
16.
Introduction Tests of 3 Varieties of Poplar Which Were Introduced from USA in Yili Prefecture of Xinjiang
OP-367等3个北美杨品种在新疆伊犁的引种试验
17.
Large maple varieties introduced from North America and their main pests in Shanghai
上海地区大规格北美槭树品种及其主要病虫害
18.
Study on Introduction Test and Seedling Drought Resisting of 4 Tree Species Such as Shepherdia Argentea Nutt. from United States
银水牛果等四种美国树种引种试验及苗期抗旱性研究