滨水植物中乔木有随树龄的增加其耐水淹时间和成活率均增加的趋势。
With the increase of tree age, the waterlogging time and exist rate had an increasing tendency for the arbor in the riparian plant.
灌木层中乔木树种和阳性乔灌木种类比例、相对密度和重要值均随坡位梯度从下部到上部逐渐增大。
Percentage, relative density and importance values of tree species and intolerant tree and shrub species increased while slope gradient from lower to upper.
群落中光照的分布状况受乔木层的种类组成、密度与冠幅指数等因子的影响，且对下层植物分布有较大的作用。
The species component, density and index of crown cover in the tree layer effect on distribution of illumination and under plants in the plant community.
任一种新鲜的或陈旧的易碎、芳香、呈黄色到红色的树脂，可从各种热带乔木中提取，用于某些清漆中。
Any of several brittle, aromatic, yellow to red resins of recent or fossil origin, obtained from various tropical trees and used in certain varnishes.
在乔木植被类型中，人工林地的土壤呼吸强度大于行道绿地。
Among arbor vegetation type, artificial forest land breathe intensity greater than Pavement green land.
乔木层生物量中干材生物量最大，其次为根系、树枝和树叶。
Trunk biomass was the highest in the arbor biomass and root, branch and leaf came to the next.
大自然裁剪出的纹理，仿佛乔木荆榛留下的痕迹，大气的自然之色渗透于整齐精致的墙面中。经风历雨般的沧桑感赋予风化砖一种深层而独特的韵味。
With natural texture, traces of chaste tree and hazel, walls of weathered bricks are penetrated with colors of nature. The vicissitude of weathered bricks is profound and unique.
番石榴美洲热带番石榴属小灌木乔木中的一种，尤其是指番石榴属的番石榴，开白色花，果实可食。
Any of various tropical American shrubs and trees of the genus Psidium, especially P. guajava, having white flowers and edible fruit.
雌雄同株异花与乔木生活型显著相关并在季节性雨林植被中相对普遍。
Monoecy was significantly associated with the tree growth form and was relatively common in seasonal forest vegetation.
胡杨是中亚地区唯一适合生长的乔木，它是大自然漫长进化过程中幸存下来的宝贵物种。
P. euphratica is only suitable for growth of the central region, it is nature tree long evolutionary process of surviving species.
为此，本文首次提出尝试利用微波传输线理论中的驻波原理测量乔木茎干含水率。
Therefore, the author try to utilize standing wave ratio of the microwave transmission line theory to measure plant water content in this paper.
三峡地区分布有4个中国特有科和66个中国特有属植物，该地区植物区系具有高度的中国特有性。同时，特有植物中以乔木型所占比例较大。
There are 4 Chinese endemic families and 66 endemic genera of plants in the Three Gorges Area, so this area has a high Chinese characteristic, and arbors account for a relative high proportion.
结果表明，沟谷热带雨林各层次中的乔木种群组成是不稳定的，常常随时间而改变。
The result shows that the composition of tree populations is unstable and changes with time.
结果表明，沟谷热带雨林各层次中的乔木种群组成是不稳定的，常常随时间而改变。
The result shows that the composition of tree populations is unstable and changes with time.
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