1)acacia[英][?'ke???][美][?'ke??]相思類樹種
1.Screening and Evaluation of Super Strains of Rhizobia Isolated from Root Nodules of Acacia;幾個相思類樹種優良根瘤菌菌株的篩選及評價
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.不同樹種的生長比較:桉樹類樹種(除巨桉外)4年生以前胸徑、樹高和生物量生長均比相思類樹種生長快,4年后相思類樹種逐漸趕上或超過桉樹類樹種。
英文短句/例句
1.Review of Acacia Wood Resources, Properties and Utilization相思類樹種木材的資源、材性與加工利用
2.Screening and Evaluation of Super Strains of Rhizobia Isolated from Root Nodules of Acacia;幾個相思類樹種優良根瘤菌菌株的篩選及評價
3.Experimental Study on the Introduction of Acacia on the Eroded Granite Hilly Land in Xiapu County霞浦沿海花崗巖侵蝕地引種相思類樹種的試驗研究
4.Study on Plantation and Selection of Acacia Trees in Southeast Coastal Mountains in Fujian福建東南沿海丘陵山地相思類樹種造林選擇研究
5.In Vitro Culture and the Changes of Endogenous Hormones in Several Species of Acacia spp.相思樹(Acacia spp.)若干種類的離體培養及其內源激素變化研究
6.Any of several similar or related coniferous trees, such as the bald cypress.似柏樹樹種一種類似的或相關的結球果的樹,如禿柏
7.Primary Studies on Rhizobia Isolated from Root Nodules of Acacia Crassicapa and Acacia Cincinnata;厚莢相思和卷莢相思樹種根瘤菌的初步研究
8.Evaluation of Kraft Pulping Properties of Acacia Spp. Woods;四種相思樹材硫酸鹽法制漿性能研究
9.Any of certain similar or related plants.類葫蘆樹相似的或相關的植物中的一種
10.Any of several similar or related trees, such as the Douglas fir.樅木類似或相關樹木中的任意一種,例如黃杉
11.Study on the Structure of Woody Plant Community of Urban Park and Species Relationship城市公園木本植物群落類型及樹種相關性研究
12.According to designed parameters, properties of Acacia products all exceeded national standard.相思和桉樹2樹種的對比試驗研究結果表明:相思刨花模壓制品性能優于桉樹刨花模壓制品。
13.Any of several similar or related trees, such as the honey locust or the carob.洋槐類似或相關的幾種樹,如美洲皂莢或稻子豆樹
14.Advances in in vitro multiplication and genetic engineering in Acacia相思樹種的體外繁殖及基因工程研究進展
15.Studies on Fertilizer of Protection Forest Tree Species-Acacia Crassicarpa Seedlings防護林樹種厚莢相思(Acacia Crassicarpa)苗期施肥效應研究
16.Growth effect of eucalyptus-acacia mixed plantation in South China華南地區桉樹/相思混交種植的林木生長效應
17.The density of Manchurian linden and the tree-crown -nesting birds shows the conspicuous negative correlation.糠椴密度與樹冠營巢鳥類的種類存在顯著負相關關系。
18.Any of several similar or related trees.桑樹屬樹相類似的或有關的樹
相關短句/例句
Acacia[英][?'ke???][美][?'ke??]相思樹種
1.Study on Water Holding Capacity of above-ground part in Six Acacia Species of Coastal Protection Forest;沿海防護林6個相思樹種地上部分持水量研究
2.A Study on Some Tolerance to Stresses of Acacia Rhizobium;相思樹種根瘤菌的若干抗逆特性
3)Acacia tree species相思樹種
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.通過對相思樹種更新木麻黃防護林對沿海沙地土壤化學性質的分析,結果表明:與木麻黃林分相比,在沿海沙地后沿應用相思樹種造林使沙地土壤中水溶性C l-和Na+含量降低,而使表層土壤中的水溶性Ca2+含量升高;相思樹種能明顯地改善沙地土壤中有效養分的供給,然而,對不同的相思樹種來說,其改善程度有所差異;相思樹種明顯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層最為顯著。
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.針對沿海沙地上造林樹種缺乏,原有木麻黃防護林樹種單一、系統穩定性差、抗逆性弱、病蟲害時常發生的實際情況,提出栽培適應性廣、抗大風、臺風和抗干旱的相思樹種并應用于海岸帶防護林體系的建設中,對豐富沿海沙地上的造林樹種資源,解決因木麻黃連栽造成的生產力下降和地力衰退,改善防護林的樹種結構及林分空間結構,提高防護林的抗逆性和防護效能具有重要意義。
4)Acacia spp相思樹種
1.Assessment of Genetic of the Main Introduction Acacia spp.in Fujian and Preliminary Study on Hybrid Testing;福建引種的主要相思樹種遺傳分析及其雜交試驗的初步研究
5)Acacia crassicapa厚莢相思樹種
6)forest specialists樹林種類
1.Two forest specialists showed significant increase in densities, one is native and the other is exotic species.兩種樹林種類的密度有顯著増加,其中一種是本土種,另一種是外來種。
延伸閱讀
相思極(一作長相思)【詩文】:妾顏與日空,君心與日新。三年得一書,猶在湘之濱。料君相輕意,知妾無至親。況當受明禮,不令再嫁人。愿君從此日,化質為妾身。【注釋】:【出處】:全唐詩:卷593-32
