• 结果表明:乔木树种的水分利用效率远比草本和灌木树种低。

    The results show that the water use efficiency of arbor is lower than one of herb and shrub.

    youdao

  • 结果表明,随着演替的进行,群落的乔灌木树种数先升高后降低,趋于稳定。

    The results show that with succession proceeding, the number of trees and shrubs increased at first, then decreased and trend to stable at last.

    youdao

  • 对各处理进行了抗旱性综合鉴定,证明了水杨酸预处理在灌木树种抵御干旱方面作用明显。

    On comprehensive judgment of drought resistance ability of the shrub different treatments, it suggested that SA played an important role in improving drought resistance of shrub seedlings.

    youdao

  • 豆科灌木树种具有蛋白质含量高、适应性强、生长快、易采收等特点,是比较理想的植物蛋白质资源。

    The shrub species of Leguminosae have the characteristic of high protein content, fast growing, and easy collection. Therefore, they are ideal plant protein resources.

    youdao

  • 通过对废弃采石场以及裸岩山地自然植被的调查,结果表明,宁波市石宕及裸岩的主要有乔木树种有20种,灌木树种30种,草本11种,层外植物6种。

    Investigation on natural vegetation at open pit and bare rock in Shitang, Ningbo demonstrated that there are 20 tree species, 30 shrub species, 11 herb species and 6 extrasturatum plants.

    youdao

  • 在干旱瘠薄山地,灌木保持水土、涵养水源、改善生态环境等方面具有乔木树种不可代替的作用。

    In the arid and poor mountain lands, shrubs are used to conserve soil, water and headwater and to improve ecological environment, which can not be replaced by any tree species.

    youdao

  • 通过比较分析,从年龄结构、树种结构和灌木密度看对抗御火灾的能力不尽相同。

    After comparing and analyzing, the fire-resistant ability of different age structure, species and shrub density looks not same.

    youdao

  • 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.

    youdao

  • 紫叶矮樱属蔷薇科李属落叶灌木或小乔木,为世界著名的紫叶树种。

    Prunus cistena is a world famous purple tree species, which belongs to Prunus of Rosaceae .

    youdao

  • 该表推荐出适宜在本区推广应用的乔木树种22个、灌木种4个、林种4个,建议试验树种10个。

    There are 22 arbor species, 4 scrub species, 4 forest-types and 10 suggested experimental species that are good for popularization and application in the region.

    youdao

  • 灌木层主要树种均呈集群分布。

    All the tree species in shrub layer were contagious distribution.

    youdao

  • 落叶树种在华北地区的种植比例很高,因此,落叶乔灌木植物的冬态造景尤为重要。

    The high proportion of deciduous tree and shrub in North China makes it important to make scene of deciduous tree and shrub form in winter.

    youdao

  • 柠条属于沙生灌木的一种,不但是防风固沙的优良树种,而且还具有很高的经济价值。

    Caragana is a sort of sandy shrub, it not only protects environment, but also has economic value.

    youdao

  • 青岛市树种资源的调查与选择结果:青岛市城市森林营建常用植物约400余种,其中乔木200余种、灌木139种、地被34种、竹类3种。

    Tree species resources of Qingdao city consists of 400 plant species, including 200 species of arbor, 139 species of bush, 34 species of ground cover and 3 species of bamboo.

    youdao

  • 本文对其中的直射光、上层树种、草本和灌木等3个群落结构特征因子进行研究。

    The influence of 3 community characteristics factors of direct sunlight, upper canopy species, herbs and shrubs were studied in this paper.

    youdao

  • 骨干树种中有常绿树种3种(乔木1种)、落叶乔木24种、落叶灌木14种,属于乡土树种的14种,外引树种占其3/4。

    Among the 41 ones there are 3 evergreen species, 24 broad leave tree species, 14 shrubs; 14 of them from local species, 3/4 from outside areas.

    youdao

  • 骨干树种中有常绿树种3种(乔木1种)、落叶乔木24种、落叶灌木14种,属于乡土树种的14种,外引树种占其3/4。

    Among the 41 ones there are 3 evergreen species, 24 broad leave tree species, 14 shrubs; 14 of them from local species, 3/4 from outside areas.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定