相思类树种,acacia英语短句,例句大全

相思类树种,acacia
1)acacia[英][?'ke???][美][?'ke??]相思类树种
1.Screening and Evaluation of Super Strains of Rhizobia Isolated from Root Nodules of Acacia;几个相思类树种优良根瘤菌菌株的筛选及评价
2.The growth of 5 eucalypt species and 3 acacia species planted in the heavily eroded and infertile hills have been measured for 7 years.不同树种的生长比较：桉树类树种（除巨桉外）４年生以前胸径、树高和生物量生长均比相思类树种生长快，４年后相思类树种逐渐赶上或超过桉树类树种。

英文短句/例句

1.Review of Acacia Wood Resources, Properties and Utilization相思类树种木材的资源、材性与加工利用
2.Screening and Evaluation of Super Strains of Rhizobia Isolated from Root Nodules of Acacia;几个相思类树种优良根瘤菌菌株的筛选及评价
3.Experimental Study on the Introduction of Acacia on the Eroded Granite Hilly Land in Xiapu County霞浦沿海花岗岩侵蚀地引种相思类树种的试验研究
4.Study on Plantation and Selection of Acacia Trees in Southeast Coastal Mountains in Fujian福建东南沿海丘陵山地相思类树种造林选择研究
5.In Vitro Culture and the Changes of Endogenous Hormones in Several Species of Acacia spp.相思树（Acacia spp.）若干种类的离体培养及其内源激素变化研究
6.Any of several similar or related coniferous trees, such as the bald cypress.似柏树树种一种类似的或相关的结球果的树，如秃柏
7.Primary Studies on Rhizobia Isolated from Root Nodules of Acacia Crassicapa and Acacia Cincinnata;厚荚相思和卷荚相思树种根瘤菌的初步研究
8.Evaluation of Kraft Pulping Properties of Acacia Spp. Woods;四种相思树材硫酸盐法制浆性能研究
9.Any of certain similar or related plants.类葫芦树相似的或相关的植物中的一种
10.Any of several similar or related trees, such as the Douglas fir.枞木类似或相关树木中的任意一种，例如黄杉
11.Study on the Structure of Woody Plant Community of Urban Park and Species Relationship城市公园木本植物群落类型及树种相关性研究
12.According to designed parameters, properties of Acacia products all exceeded national standard.相思和桉树2树种的对比试验研究结果表明：相思刨花模压制品性能优于桉树刨花模压制品。
13.Any of several similar or related trees, such as the honey locust or the carob.洋槐类似或相关的几种树，如美洲皂荚或稻子豆树
14.Advances in in vitro multiplication and genetic engineering in Acacia相思树种的体外繁殖及基因工程研究进展
15.Studies on Fertilizer of Protection Forest Tree Species-Acacia Crassicarpa Seedlings防护林树种厚荚相思（Acacia Crassicarpa）苗期施肥效应研究
16.Growth effect of eucalyptus-acacia mixed plantation in South China华南地区桉树/相思混交种植的林木生长效应
17.The density of Manchurian linden and the tree-crown -nesting birds shows the conspicuous negative correlation.糠椴密度与树冠营巢鸟类的种类存在显著负相关关系。
18.Any of several similar or related trees.桑树属树相类似的或有关的树

相关短句/例句

Acacia[英][?'ke???][美][?'ke??]相思树种
1.Study on Water Holding Capacity of above-ground part in Six Acacia Species of Coastal Protection Forest;沿海防护林6个相思树种地上部分持水量研究
2.A Study on Some Tolerance to Stresses of Acacia Rhizobium;相思树种根瘤菌的若干抗逆特性
3)Acacia tree species相思树种
1.Through the analysis of the effect of Casuarina equisetifolia protection forest regeneratd by Acacia tree species on chemical properties of soil,the results showed that compared with stand of Casuarina equisetifolia the water-soluble Cl~-and Na~+ in sandy land were reduced by using Acacia tree species,the content of the water-soluble Ca~(2+)in topsoil was increased.通过对相思树种更新木麻黄防护林对沿海沙地土壤化学性质的分析,结果表明:与木麻黄林分相比,在沿海沙地后沿应用相思树种造林使沙地土壤中水溶性C l-和Na+含量降低,而使表层土壤中的水溶性Ca2+含量升高;相思树种能明显地改善沙地土壤中有效养分的供给,然而,对不同的相思树种来说,其改善程度有所差异;相思树种明显地增加了沿海沙地土壤中全氮和全碳的含量,且增加的量以沙地土壤的表层最为显著。
2.Being short of coastal sandy land forestation species, bad system stability, faint resistance, seriousplant diseases, we proposed to cultivate Acacia tree species which had extensive adaptability and strongresistance to typhoon and arid site.针对沿海沙地上造林树种缺乏，原有木麻黄防护林树种单一、系统稳定性差、抗逆性弱、病虫害时常发生的实际情况，提出栽培适应性广、抗大风、台风和抗干旱的相思树种并应用于海岸带防护林体系的建设中，对丰富沿海沙地上的造林树种资源，解决因木麻黄连栽造成的生产力下降和地力衰退，改善防护林的树种结构及林分空间结构，提高防护林的抗逆性和防护效能具有重要意义。
4)Acacia spp相思树种
1.Assessment of Genetic of the Main Introduction Acacia spp.in Fujian and Preliminary Study on Hybrid Testing;福建引种的主要相思树种遗传分析及其杂交试验的初步研究
5)Acacia crassicapa厚荚相思树种
6)forest specialists树林种类
1.Two forest specialists showed significant increase in densities, one is native and the other is exotic species.两种树林种类的密度有显著増加,其中一种是本土种,另一种是外来种。