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南方林区     
相关语句
  southern forest region
     Screening Study on the Wild Green Manures for Forests in the Southern Forest Region
     南方林区野生林用绿肥的筛选研究
短句来源
     By means of the vegetation investigation of a lot of natural forests and plantations in the Southern Forest Region,the green manures for forests suitable for growing on forest sites and with better effects of soil and water conservation and soil fertility improvement have been screened from rich wild plant resources,which are worth energetically researching for popularization and application in the Southern Forest Region.
     通过南方林区大量天然林及人工林的植被调查 ,从丰富的野生植物资源中筛选出适应林地生长并具较好水土保持及改良地力效果的林用绿肥 ,值得南方林区大力研究推广应用
短句来源
     The synthetical evaluation results showed that block tending was a better tending way for young Chinese fir plantation in southern forest region,it could not only decease competition between Chinese fir and vegetation,and keep up normal growth of Chinese fir,but decrease tending cost,and conserve soil fertility and species diversity as well.
     综合评价结果表明块状抚育是南方林区较好的杉木幼林抚育方式 ,它既能有效地减少林地植被对杉木的竞争 ,保持杉木的正常生长 ,又能降低抚育成本和保持地力及物种多样性。
短句来源
     Passing on Sarcandra glabra 's value,the paper expounds the im portance and feasibility of growing Sar-candra glabra in Southern forest region.
     在介绍草珊瑚之价值的基础上,论述了我国南方林区人工栽培草珊瑚的意义和可行性。
短句来源
  south china forest
     Study on the Application of Biological Fire-Prevention in South China Forest Areas
     南方林区生物防火的应用研究
短句来源
     A Study on Combining Way of the TM Remote Sensing Image of South China Forest Area
     南方林区TM遥感图象组合方式研究
短句来源
     The Application of GPS in South China Forest
     GPS在南方林区的应用试验
短句来源
     Combinations of TM remote sensing images of South China forest area are analyzed and com pared. The result shows that the TM453 cembination is better for the forest vegetation recognition by visu al interpretation and computer automatic classification.
     就南方林区TM遥感图象的多种组合方式进行了分析、对比,认为TM4、5、3的组合彩色图象(依次分别赋以红、绿、蓝色)及其数据较适用于南方森林植物类型之判读及计算机自动分类;
短句来源
  south china forest area
     A Study on Combining Way of the TM Remote Sensing Image of South China Forest Area
     南方林区TM遥感图象组合方式研究
短句来源
     Combinations of TM remote sensing images of South China forest area are analyzed and com pared. The result shows that the TM453 cembination is better for the forest vegetation recognition by visu al interpretation and computer automatic classification.
     就南方林区TM遥感图象的多种组合方式进行了分析、对比,认为TM4、5、3的组合彩色图象(依次分别赋以红、绿、蓝色)及其数据较适用于南方森林植物类型之判读及计算机自动分类;
短句来源
  “南方林区”译为未确定词的双语例句
     Right of Forest Resources in the Forest Areas of South China
     论南方林区森林生态保护与森林资源产权管理模式
短句来源
     RESEARCH ON MONITORING FOREST FIRE IN SOUTH CHINA BY NOAA/AVHRR DATA
     利用NOAA/AVHRR资料监测南方林区森林火灾的研究
短句来源
     POSSIBILITY OF PINE WILT DISEASE EPIDEMIC IN SOUTH CHINA
     松材线虫萎蔫病在中国南方林区流行的可能性
短句来源
     Quantitative Evaluation of Logging Truck Type in Southern Forest Area
     南方林区运材汽车车型的定量评价
短句来源
     Major research results are such as follows:(1) Put forward the SPOT5 data processing methods for forest resources surveying in south china.
     (1)针对南方林区的特点,提出了森林资源监测用SPOT5遥感数据的预数据处理方法。
短句来源
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This paper presents a forest inventory study of the Maoshan area, a regionwhich in forest types is fairly representative of Southtrn China. In the study. the effectiveness of various feature extraction techniques was investigated, newclassification algorithms developed, and supervised classification schemes imple-mented and assessed. A scheme involving 2-D spectrum decomposition classifica-tion, manual editing and Bayes classfication, is proposed. Its application givesresults which show promising potential for...

This paper presents a forest inventory study of the Maoshan area, a regionwhich in forest types is fairly representative of Southtrn China. In the study. the effectiveness of various feature extraction techniques was investigated, newclassification algorithms developed, and supervised classification schemes imple-mented and assessed. A scheme involving 2-D spectrum decomposition classifica-tion, manual editing and Bayes classfication, is proposed. Its application givesresults which show promising potential for forest inventory in Southern Chinausing computer processing of Landsat imagery.

阐述了以茅山林区为试验区的计算机陆地卫星多光谱数据森林分类研究的成果。针对我国南方林区小而杂的特点,根据理论分析和实验结果,评价了各种特征信息的提取和组织方法,总结出有监分类流程方案中的一些基本原则,提出了适合我国南方林区情况的光谱分解分类方案。

The origin and the migration of Monochamus Guér on the earth,theorigin of Chinese Monochamus fauna and its biogeographical relation toother areas,and geographical distribution of five species which do seriousdamages to the forests in China are discussed.It is indicated as follows: (1) Monochamus is a typical tropic and subtropic group.The globaldistribution of this genus shows that 59.3% of all species are distributedin Ethiopian,26% in Oriental,8% in Neoarctic,6.7% in Palaearctic andnone in both Australian...

The origin and the migration of Monochamus Guér on the earth,theorigin of Chinese Monochamus fauna and its biogeographical relation toother areas,and geographical distribution of five species which do seriousdamages to the forests in China are discussed.It is indicated as follows: (1) Monochamus is a typical tropic and subtropic group.The globaldistribution of this genus shows that 59.3% of all species are distributedin Ethiopian,26% in Oriental,8% in Neoarctic,6.7% in Palaearctic andnone in both Australian and Neotropic. (2) Monochamus should originate from Ethiopian during Middle to LateCretaceous.Some of Monochamus species migrated from Ethiopian intoOriental during Early to Middle Tertiary through Arabian and Iranian areascovered with tropic rain-forests then.Since Late Tertiary,the immigrantsin Oriental had spread gradually into Palaearctic through the east of China.And ancestors of Neoarctic species should immigrate from Eurasia throughthe Bering Land Bridge during Cenozoic,but the exact immigrating timehasn't been determined yet. (3) Since Early to Middle Tertiary,the immigrants in Oriental hadtended to spread up to the north. (4) Monochamus fauna in China has evolved from:(a) Endemic com-ponents.They evolved from China,but their ancestors immigrated fromEthiopian through India and Indo-China during Early to Middle Tertiary.Some of China endemic species had spread into the north of China.(b)Indian and Indo-Chinese components.The species originated from Indiaand Indo-China immigrated into South China during Late Tertiary to Qu-aternary,some of which spread into North China. (5) Biogeographically,China Mainland is closely related to Japan,ChinaTaiwan,India,Indo-China,Siberia and Europe.All Monochamus species ofSiberia and Europe are also distributed in China.China Mainland and Japanas well as China Mainland and Taiwan share some of Monochamus species. Japanese endemic species (Palaearctic species) may probably do damages tothe forests of North and Northeast China,and endemic species (Orientalspecies) of Taiwan are also dangerous to the fcrests of South China (Ma-inland).There are a lot of species which are the same between South Chi-na,India and Indo-China,but endemic species of India and Indo-Chinamight be carried into South China and do damages to the forests theredue to (3) above.Therefore,import log and timber from Japan,ChinaTaiwan,India and Indo-China must be in strict quarantine. (6) There are five species that do serious damages to the forests inChina.M.bimaculatus,whose northest distribution border is at Nan Lin(about 25°N),belongs to typical Oriental components.This species mainlybores broadleaved trees in South China.M.alternatus is also an Orientalspecies,but its northest distribution border is at Chin Lin (about 33°N)in West China and at Beijing (about 40°N) in East China.M.alternatuslives on broadleaved and secondary coniferous trees,but mainly on massonpine Pinus massoniana Lamb.in China.The opposite is the case with M.urussovii,it belongs to a typical Palaearctic species,whose southest di-stribution border is at Chin Lin.This species bores coniferous trees.Thesimilar pattern is found to be the case with M.sutor and M.saltuarius.

本文讨论了在白垩纪中、晚期,墨天牛属起源于非洲区,而在第三纪早、中期迁到东洋区后,一直有向北蔓延的趋势。中国墨天牛区系有两个来源,即本地和印度、中南半岛。中国大陆与台湾、日本、印度、中南半岛、西伯利亚、欧洲等地区均有密切的生物地理学关系。日本特有种(古北种)完全可能在中国北方林区造成危害,台湾特有种(东洋种)对大陆南方林区也潜在有威胁。印度、中南半岛的特有种也可能在中国大陆南方和台湾造成危害。在中国,危害较严重的5个种中,二斑墨天牛和松墨天牛属东洋种,云杉大墨天牛、云杉小墨天牛和云杉花墨天牛属古北种。

In this paper 18 genera and 46 species fungus-feeding thrips of Phlaeothri-pinae are recorded from China,which include 5 genera(Hetiothripoides;HyidiothripS;Oidanothrips;Preerietta;Stigmothrips)and 11 species(Apetaunothrips bicotor,A.turidus;Heliothripoides reticuiatus;Hoto-thrips ryukyuensis;Hoptandrothrips graainis;Hyidiothrips japonicus;Preeriella parvuta;Psatidothrips ataris;P.armatus;P.simptus;Stig-mothrips russatus)all new to China.Those based on the references without specimen are indicated by an asterisk(*).Most...

In this paper 18 genera and 46 species fungus-feeding thrips of Phlaeothri-pinae are recorded from China,which include 5 genera(Hetiothripoides;HyidiothripS;Oidanothrips;Preerietta;Stigmothrips)and 11 species(Apetaunothrips bicotor,A.turidus;Heliothripoides reticuiatus;Hoto-thrips ryukyuensis;Hoptandrothrips graainis;Hyidiothrips japonicus;Preeriella parvuta;Psatidothrips ataris;P.armatus;P.simptus;Stig-mothrips russatus)all new to China.Those based on the references without specimen are indicated by an asterisk(*).Most of the species discussed here were extracted from leaf-litter by Tullgren's funnels.All specimens are preserved in the Insects Collection of the South China Agricultural University

本文着重记述中国管蓟马亚科菌食性种类及其分布,该亚科菌食性种类在中国发现有18属46种,其中6属和11种为中国新记录。绝大多数种类系作者采自南方林区枯枝落叶层。有者系根据文章记录,作者未采获标本。

 
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