查询词典 broadleaf tree

Evergreen broadleaf tree is the principal part of fore stry reserves and the most important component of forestry ecosystem.

常绿阔叶林是南方森林资源的主体，是森林生态系统中重要的组成部分，可改善人类生态环境。

They look somewhat lonely and pitiful compared to the strong vitality of the broadleaf tree forests.

这不禁让人感到，在阔叶林旺盛的生命力对照下，老松的处境有所凄凉和悲哀。

The strategy of protection and development of evergreen broadleaf tree is put forward , based on its ecological effects on four streams and one river in Zhangzhou.

笔者就常绿阔叶林对福建漳州四溪一江生态效应，提出保护与发展的策略。

As it is entangled with fantastically shaped stones, oak trees, and anonymous broadleaf tree forest, you can feel the magnificence of a mountain and mystery of nature.

奇岩怪石和橡树、不知名的阔叶林相互融合在一起，显示出了山峰的伟岸，同时也透出了自然的神秘。

Walking between the so-called mountain field roads, you can find the broadleaf tree area spreaded widely.

沿着山路上山，迎面而来的是广阔的阔叶林。

The strategy of protection and development of evergreen broadleaf tree is put forwa rd,based on its ecological effects on four streams and one river in Zhangzhou.

笔者就常绿阔叶林对福建漳州四溪一江生态效应，提出保护与发展的策略。

The oak tree class forest distributes in our country is very broad, the fruitful in resources, is one of my king monarch sovereign broadleaf tree lumbers, its wooded area accounts for the national forest total area about 12%, stores up the quantity to approximately compose the lumber to store up the quantity 10%.

摘 要：栎类林在我国分布很广，资源丰富，是我国主阔叶树木材之一，其森林面积占全国森林总面积的12%左右，蓄积量约占木材蓄积量的10%。

See from the function results, it is best for deciduous broadleaf tree on the potential of absorbing carbon-releasing oxygen, decreasing temperature and purifying SO2; next is fewer shrub and coniferous tree, grass is the worst.

从作用效果来看，落叶阔叶树类的吸碳放氧、降温效果和SO2的净化潜力最佳，其次为花灌木和针叶乔木树种，草类最差。

To investigate variation of soil bacteria community in response to the change in the above-ground vegetation, soil samples were collected at three sites, i.e. bamboo groves, mixture of bamboo and broadleaf tree and broadleaf forest. To explore variation of the soil bacterial structure, 16S-rDNA-V3-fragment-base DGGE (denaturing gradient gel electrophoresis) and clone sequence BLAST technologies were applied.

为了解毛竹人侵天然林后地下土壤微生物多样性的变化，分别采集了毛竹纯林、竹阔混交林和原始天然阔叶林下的土壤样品，应用建立于165 rDNA V3区片段的变性梯度凝胶电泳和克隆测序比对来研究土壤细菌结构的变化。

Also it synthesize the natural law on vegetation distribution and the present situation on urban forestry construction to define the main proportion on urban species actually:the proportion between aiphyllus tree and deciduous tree is 3:7; the proportion between arbor and shrub is 2:1; the proportion between coniferous tree and broadleaf tree is 1:4; the proportion between fast-growing trees and slow-growing trees is 1:1.The following tree species programmed in urban forestry construction of Qingdao on the above-mentioned demanding on trees planning in this thesis

本文以上述提到的树种布局规划要求，分别规划出了青岛市城市森林建设中的行道树种、公园绿化树种、游园、街头绿化树种、山地风景林树种、居住区绿化树种、机关、学校、医院等处的绿化树种、工矿区绿化树种、海岸抗海雾、海风树种、耐盐碱树种、垂直绿化树种、地被植物，并对城市森林的近自然化配置，以及在天然森林已不存在的地方，运用技术模拟原来的天然森林进行恢复和重建进行了初步阐述。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。