deciduous,deciduous tree,deciduous wood是什么意思

用法例句

Deciduous trees keep in the winter condition for 5 months in Taiyuan city.

太原市落叶树木约有5个月的时间处于冬态状态,为了在冬态期间进行落叶树木的鉴定和识别,以满足园林树木分类教学与园林绿化和管理工作的需要,通过多年的调查观察,并参考有关研究资料,根据落叶树木的芽、叶痕、叶迹、枝条、树形等在落叶期特有的形态特征,按照恩格勒系统,采用定距方式,编制了太原市91种(含变种、栽培变种)常见园林绿化落叶树木的冬态检索表。

The Adsorption of Heavy Metals with Defoliation of Phoenix tree is Researched;

落叶对重金属吸咐的初步研究

Effects of environmental factors on the progress of defoliation dormancy and flowering of late-ripening cultivar of Prunus persica;

环境因素对晚熟桃落叶休眠与开花进程的影响

The characteristics of nutrient transformations were researched during co-composting of tree leaves,spent mushroom compost and chicken manure in a cylindrical composting barns with cubage of 0.

以落叶、蘑菇渣和鸡粪为原料,在长45。

The decomposition rate and nutrient dynamics of leaf litters for 8 species of trees was studied, The rates (%)of dry matter loss per year by decomposition were: Pinus elliottii 32.

对 8个树种落叶的分解进行了研究 ,各树种落叶年分解失重率分别是 :湿地松 3 2 。