3) broad-leaved seedling
阔叶幼苗
4) conifer species seedlings
针叶树幼苗
5) seedling and sapling
幼苗幼树
1.
In order to clear the relationships between photosynthesis and leaf N,leaf P,SLA of tropical trees and test the differences of relationships among life-form groups(tree,shrub-like tree and shrub),seedling and saplings of 101 species in tropical montane rain forest located in Diaoluo Mountain of Hainan Island were selected.
以海南岛吊罗山热带山地雨林101个物种的幼苗幼树为试验材料,测定其光合、叶片氮、磷含量及比叶面积;检验其相关关系,并按乔木,乔灌木(小乔木至大灌木)和灌木3个生活型组进行分组检验。
6) hardwood
[英]['hɑ:dwʊd] [美]['hɑrd'wud]
阔叶树材
1.
This paper deals with the minute structures of 34 species, 28 genera and 19 families from the main hardwoods in Hunan Province.
对湖南 19科 2 8属 3 4种主要阔叶树材的微观构造进行了研究 。
2.
To study the abrasion behavior of high speed milling tools,the author selected a widely-used TiAlN coated tool to mill three commercial hardwood samples.
基于涂层刀具的摩擦学机理,以福建青冈、米槠、泡桐等阔叶树材为代表,进行氮铝钛(TiAlN)涂层刀具高速铣削的试验。
补充资料:阔叶树
叶子的形状宽阔的树木,如白杨、枫树等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条