evergreen trees是什么意思

网络释义

用法例句

The response on five species of evergreen trees under Cd stress was studied.

研究了 5种常绿树木对镉污染胁迫的反应 ,实验结果表明 ,在高浓度镉胁迫下 ,5种树木叶片的叶绿素含量、细胞质膜透性、过氧化氢酶活性及镉富集量等生理生化特性均产生明显变化 ,但变化不尽一致。

Application of Kira and Holdridge′s temperature indexes to low temperature tolerance of evergreen trees;

Kira与Holdridge热量指标对常绿树种耐低温能力的评价

Leaf longevity of main evergreen tree species of Guiyang City;

贵阳市常绿树种叶子寿命的研究

Shortcomings of evergreen tree species application in Kunming were pointed out and corresponding improvement suggestions were made in order to make evergreen tree species in urban greenland ecosystem of Kunming play full role in environment beautification, protection and improvement and to embody better the characteristics of "S.

基于对昆明市区代表性的几大绿地类型中常绿树种应用现状的实地调查 ,从该市绿地系统树种选择和植物配置两方面进行综合分析 ,指出昆明市常绿树种应用中存在的问题并提出相应的改进措施 ,以充分发挥常绿树种在城市绿地系统中绿化、美化和改善环境方面的功能并充分体现昆明“春城”与整个云南“植物王国”的特

The growth development and water consumption and droughtresistance of four evergreen tree species （ Ligustrum lucidum , Pinustabulaeformis , Ligustrum sinense , Platycladus orientalis）were studied bypotted-plant in Yangling China.

以盆栽控水的方法，在陕西杨凌研究了女贞（Ligustrum lucidum）、小蜡（Ligustrum sinense）、油松（Pinus tabulaeformis）、侧柏（Platycladus orientalis）等四个典型常绿树种在持续干旱胁迫条件下的生长、耗水动态变化以及抗旱生理学特性。