自然分佈 的英文怎麼說

中文拼音 [ránfēn]
自然分佈 英文
natural distribution
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : Ⅰ形容詞(對; 不錯) right; correct Ⅱ代詞(如此; 這樣; 那樣) so; like that Ⅲ連詞[書面語] (然而)...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 自然 : 自然at ease; natural; free from affectation
  1. Distribution, formation and characteristics of the saline - alkalized land in northeast china was systematically analyzed and agro - biological measures for management of saline - alkalized soil were illustrated, including cultivation of rice to wash down salts, cultivation practices, soil building practices, plantation of salt - tolerant plants and biological removal of alkali, etc. in the paper

    特殊的氣候、地形和水文地質等因素以及人類不合理的農業技術措施和社會生產活動等人為因素加劇了該區鹽堿化發生、與演變。
  2. The first part is the preface. in this part, i have made a general introduction of dai ethnic minority in xishuangbana dai antonymous region, such as the important position, the unbalanced social and economic developments, and the abundant natural resources. meanwhile, i have also talked about the characteristics of the ethnic relations between dai ethnic minority group and other ethnic ones, which contain the location, the sense of the same origins and cognitions and so on

    本文共為七部:第一部為緒論部,主要介紹了西雙版納民族地區的大體概況(地處邊疆、戰略位置重要;社會、經濟發展不平衡;資源豐富)及西雙版納傣族治州各民族關系特點(大雜居,小集居,立體;共同的歷史淵源和族群認同感;民族關系的核心是漢民族和少數民族之間的關系;民族關系發展的不平衡) 。
  3. Taxus chinensis vsr. mairei population is very oblivious from seeding stage to mature tree stage. the patterns were consistant with the ecological and biological characteristics of form. taxus chinensis var. mairei which were valuable and rare and in severe danger. in this paper, logistic model and liu - logistic model were proposed to approach the growth dynamics of tree basal area of form. taxus chinensis var. mairei population

    南方紅豆杉幼苗表現為較強的聚集,除與種子的散布有關外,生境條件的差異是重要原因之? ,其它發育階段表現為明顯的隨機,表明它在群落中的概率很小,反映了南方紅豆杉珍稀瀕危的生態生物學特性和特徵。
  4. Staphylinidae is one of the largest family in coleoptera, they occupy a wide variety of habitats and have a wide range of food - habits. they are essentially carnivorous ( insect feeder ), but some groups have become evolved as mycophagous, coprophagous, coprophagous, carpophagous, pollinophagous and so on. some species have adapted to a parasitism of mammals

    隱翅蟲是一類廣泛於農田、森林和山區的鞘翅目昆蟲,它們生境多樣,有的為肉食性種類,是捕食農林害蟲的重要天敵,也有藥用種類和衛生害蟲,還有取食動植物有機殘體、促進界物質循環、保持生態平衡的種類,與人類的關系密切,是一類不可忽視的資源。
  5. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被植被與栽培植被兩大類進行研究,通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行面積的統計,在此基礎上,以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據,對已成林的針葉林與闊葉林進行森林生態系統的價值估算,得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元,參照這一生態價值量,把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
  6. Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space, which can influence the process of the runoff, this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid, and that gains flux at random time and grid in basin

    本模型針對降雨時空不均勻與下墊面地理參數空間不均勻,對產匯流形成過程的影響,提出了一種基於柵格的坡面產匯流與河道匯流的數值模擬模型。
  7. Such classes are separated by "natural breaks" in the frequency distribution or the analogous cumulative curve.

    這樣的級可由頻率或類似的累積曲線中的斷點劃開來。
  8. In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics

    本文在初步調查析了棕櫚科植物在我國的自然分佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上,首次採用rapd子標記技術,對廈門萬石植物園引種的一些棕櫚科植物的遺傳多樣性進行了研究,根據pcr對基因組dna擴增的結果,用nei ' s相似性系數計算了不同植物間的遺傳距離和遺傳一致度,通過對遺傳距離的upgma聚類析,並結合形態類的特點,對棕櫚科植物的屬、種間的系統類關系和一些疑難種的類鑒定進行了初步研究。
  9. There are common names in chinese and in every language where the tree occurs naturally in southeast asia, indian subcontinent, and eastern australia

    在東南亞、印度次大陸和澳洲東部等這種樹木天的地區中,各的語文庫中也有己的俗名。
  10. In this paper, the brief history and the current condition in the classification of the genus acer linn. have been reviewed. i have also compared the precision of the ancestors ' studies and then studied the classificating evidence, the law of origin and evolution and geographical distribution. by identifying and studying the specimens, 1 ensure that there lie 20 species and subspecies and 8 varieties which belong to 3 subgenus in henan province. i add 3 species and 2 varieties which were not recorded in flora of henan such as acer tegnentosum maxim. a. tsinglingense fang et hsieh, a. shensiense fang, a. buergerianum miq. var. ningpoense ( hance ) rehd

    作者通過對河南槭屬植物的類研究,確認了本省槭屬植物共計20種、 1亞種和8個變種,隸屬於3亞屬12組,增補了《河南植物志》中未記載的但河南有自然分佈的3個種、 2個變種:青楷槭acertegnentosummaxim .秦嶺槭a . tsinglingensefangethsieh 、陜西槭a . shensiensefang 、寧波三角槭a . buergerianummiq . var . ningpoense ( hance ) rehd .和蒿蘋四蕊槭a . tetramerumpaxvar . haopingensefang .訂正了《河南植物志》和《河南種子植物檢索表》中一些類學問題。
  11. This paper introduced the natural disturbutiun, ancient tree and famous tree as well as the introduction situation of plants belong to banyans in fujian province, there were 30 species of plants belong to banyans in fujian province, 40 species ( including garden cultural species ) of plants belong to banyans were introduced

    摘要介紹了福建省榕屬植物的自然分佈、古樹名木及榕屬植物引種情況,目前福建省有榕屬植物30種左右,引種榕屬植近40種(包括園藝栽培品種) 。
  12. The gymnospennous flora of jiangxi province comprises 7 families, 22 genera and 32 species ( including 1 endemic family, 5 endemic genera and 20 endemic species ), accounting for 58. 3 %, 53. 66 % and 13. 75 % of corresponding taxa in china

    摘要江西裸子植物自然分佈7科22屬駝種1變種(其中中國特有科1個為銀杏科,特有屬有銀杏屬、金錢松屬、杉木屬、水松屬、白豆杉屬等5個,特有種有銀杏、華東黃杉、長苞鐵杉、金錢松、水松等20種) ,別佔全國58 . 3 % 、 53 . 66 % 、 13 . 75 % 。
  13. Twenty - six species in the genus begonia were recorded for different purposes as medicine, food, beverage and pig feed in china ( ornamental uses excluded ). among these twenty - six species recorded for different uses, twenty - four species are used as medicine, eight species are used as food ( vegetable ) or beverage, and five species are used as pig feed. three species are commonly used for making beverage in the areas of their natural distribution. nine species have multiple uses, either for medicine, for food, beverage or pig feed. our study also indicated that some species are becoming rare and endangered owning to over collection and other factors

    秋海棠屬植物除了具有較高的觀賞價值外,在中國還作為藥用、食用、飲料和飼料等被利用.本文應用民族植物學研究方法,通過野外調查、文獻和標本收集整理和研究,共記載了中國產26種秋海棠屬植物被作為藥用、食用、飲料和飼料加以利用.在所記載的26種國產秋海棠屬植物中,有24種作藥用, 8種作食用(蔬菜)或飲料, 5種作飼料. 3種作飲料的種類在其自然分佈地被廣泛利用. 9種秋海棠作為多種用途加以利用,其中8種既被作為藥用、食用和飲料,也被作為飼料加以利用.本研究還表明,國產秋海棠屬植物中,有些種類由於過度採集利用或其它因素已變得稀有或瀕危.由此提出,合理開發利用和有效保護應成為今後中國秋海棠屬植物研究的重要內容
  14. Although the schoolfellows are all over the world, your hearts are closely linked with our alma mater. you always concern and support the development of our alma mater, reflect credit on our alma mater with your good accomplishments and outstanding achievements and contribute yourselves to the rejuvenation of the nation and the progress of the society

    校友們雖在大江南北世界各地,但你們的心卻和母校息息相通,始終關注和支持母校的發展,並以己良好的素質和傑出的業績為母校爭光添彩,為民族振興和社會進步作出了重要貢獻。
  15. In modern times, man - made destruction and irrational use make the shrubbery area reduced sharply and lead to insect and rats disaster and fire and aggravate the decline of shrubbery

    近、現代以來,人為的破壞和不合理利用使灌木林面積在其自然分佈區域內迅速減少,並導致病蟲鼠害和火災的嚴重發生危害,加劇了灌木林的衰退。
  16. Projects of wild life and nature reserve establishment the construction projects of natural location zones, ecologically fragile zones and wetlands for the typical and representative nature eco - system and rare and endangered wild life initiated in 2001

    野生動植物保護及保護區建設工程2001年啟動了具有典型性、代表性的生態系統和珍稀瀕危野生動植物的天區、生態脆弱地區和濕地等范圍內的有關建設工程。
  17. The place or type of site where an organism or population naturally occurs

    指生物體或生物族群自然分佈的地方或地點。
  18. There are 2, 576 species of photophyte, 3o, 000 hectares of primeval forest growing in the valley

    九寨溝植物資源豐富,自然分佈原生植物共種。有近萬公頃的原始森林。
  19. The writer made field investigation for sonic rare and precious wild flowers resources in inner mongolia desert region, then elaborated with emphasis 40 species of rare wild flowers which can be introduced in the morphological characteristics, ornamental characteristics and natural distribution area, analyazed their application forms and utilization prospect in landscape gardening ; and for endangered species, their introduction, domestication and reasonable utilization based on protection were put forward

    摘要對內蒙古荒漠地區一些較珍稀的野生花卉資源進行野外調查,重點闡述40種可引種利用的珍稀野生花卉資源的形態特徵、觀賞特性和自然分佈區域,析其在園林中的應用方式及其園林應用前景;對于瀕危植物提出在注重資源保存、保護的基礎上進行引種馴化和合理開發利用的設想。
  20. The dissertation uses natural geology analyse method to offer reasons for why the weathered and unloaded degree is light, uses quantification analyse method to compartmentalize different weathered and load - off rockmass, and from part to whole, obtains the damsite rockmass weathered and unloaded characteristic of spatial distribution

    論文運用析法對壩基花崗巖體現今風化、卸荷程度予以探討;運用定量析法對壩基巖體進行風化、卸荷帶;運用從局部到整體的思維方法對壩基巖體風化、卸荷空間規律予以探討。
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