種型群 的英文怎麼說

中文拼音 [zhǒngxíngqún]
種型群 英文
hypodigm
  • : 種名詞(姓氏) a surname
  • : Ⅰ名詞(聚在一起的人或物) crowd; group Ⅱ量詞(用於成群的人或物) group; herd; flock
  1. A community-type, as a class-concept, is inescapably an abstraction.

    落類,作為一個階級概念,無疑也是一抽象。
  2. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典巖溶區為對象,選擇了幾重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤子庫植物落多樣性等4個方面對重慶典巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  3. The results showed as follows : ( 1 ) 6 traits are correlative with genomic factors according to analysis of population genetics and comparison of the coherence of twins. ( 2 ) the hereditary mode of rolling tongue or pointed tongue was the dominant heredity of single gene of autosome, and the can - rolling type or can - pointed type was the dominant character

    本文首次從體遺傳學、家系分析、典系譜分析及雙生子分析多個角度並結合多相關數理統計方法,對6項人類學特徵的遺傳方式進行了探討,初步確定了各項特徵的遺傳方式,評價了各特徵的遺傳與環境的相對重要性。
  4. The growth dynamics of tree basal area of form. taxus chinensis var. mairei population in different altitude were discussed using the liu - logistic model, and the results showed that the altutide of 790 meters is more suitable to the survive of form. toms chinensis var. mairei population than 990 meters. plot sampling was selected and dynamic analysis was used to study the height structure of taxus chinensis var. mairei population, and the quadrate picture of height structure and the curve of survival rate were drew

    運用改進模對南方紅豆杉在不同海拔梯度的優勢度增長進行了探討,表明海拔790m處的南方紅豆杉具有較大的環境容納量,但增長速度不快,海拔990m處的南方紅豆杉環境容納量不高,但具有較大的增長速度,這可能與落的發育階段不同有關,兩地海拔均為南方紅豆杉適宜的生長海拔高度,相比而言,海拔790m的珍稀瀕危植物南方紅豆杉數量特徵的研究高度更宜於南方紅豆杉的生長。
  5. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸高斷面積代替生物量,分別採用logistic常規模及劉金福提出的logistic改進模對南方紅豆杉的增長動態進行研究,運用改進單純形法對模進行優化,擬合結果表明改進模比logistic常規模更符合南方紅豆杉的增長趨勢,南方紅豆杉的最大增長速度出現在第10齡級,即胸徑為68 76cm時期。
  6. The competition among those species like s. tsinyunensis, dryopteris erythrosora and veronicastrum stenostachyum etc., is intense in the communities, which may be one of the reasons why s. tsinyunensis is going to be endangered and with a very restricted distribution. the distribution patterns of the seven populations of s. tsinyunensis are clumped among the eight populations we studied, except population v of random distribution. the spatial pattern of 6 populations of s. tsinyunensis have high consistency with the negative binominal distribution, while another 2 populations, i. e., i and iii are poisson distributions

    6 )縉雲黃芩各空間分佈格局基本呈聚集分佈,其中7個的分佈格局類是聚集分佈,其聚集強度較高,另有一個為隨機分佈;其的離散分佈擬合結果也嚴格符合一定的數學模式,其中負二項分佈、 poisson分佈分別是該物空間分佈的理論分佈模式,其中6個擬合出的結果是負二項分佈,i和m擬合出的結果是poisson分佈。
  7. Thirdly, resorting to cooperation - competition model of biomathematics, this thesis proposes a new co - evolution model. simulation results are shown to verify its effect and practicabilitv. last, standard methods for optimizing neural netvvorks are easily trapped into local optimization, and unable to adjust the structure of neural networks, thus their application is limited to certain extent

    本文主要驗證和設計適應性操作運算元和小生境方法保持體多樣性的能力,實驗表明兩方法都能較好地達到目的;利用生物合作競爭模設計協同演化來動態地改變體規模,實驗表明該模是有效的;人工神經網路是得到越來越廣泛應用的學習系統,但是由於學習演算法存在一定的缺陷,如易於陷入局部極值,難以調整網路的結構等,使神經網路的應用受到一定的限制。
  8. Three methods, namely, community species composition similarity analysis, community composition similarity analysis, and community characteristic similarity analysis, were employed to study the similarity of insect pest - natural enemy communities of three rice types ( early rice, middle - season rice and late rice ) and their three development stages ( tilling stage, boot stage and milk stage ) in the yangtze - huaihe region of anhui province

    摘要採用組成相似性分析、落組成相似性分析和落特徵相似性分析3方法,研究了安徽江淮地區早稻、中稻、晚稻3及分蘗、孕穗、乳熟3個生育期害蟲天敵落的相似性。
  9. Besides, this product is enriched by calcium, lecithin, ? - carotin and other nutrition, it is in accordance with the principle that milk and vegetable protein are complementary. with the fresh taste of both milk and soybean, it is an ideal drink for the middle - aged and old people. ingredients

    牛奶豆漿包括青少年低糖高鈣和中老年無糖適合不同人的配方,具有濃郁的純鮮牛奶豆漿的天然風味並經現代科學精製加工使之完美結合,相得益彰,風味更為柔和醇厚,頰回香。
  10. A kind of new intelligent collective optimization method, bacterial colony chemotaxis ( bcc ) algorithm based on the description of bacterial colony chemotaxis, is presented

    提出一的智能體優化方法?細菌體趨藥性優化演算法。
  11. Concurring with expectations, the degree of polymorphism was highest in the central.

    正如所料,多性程度在中部中最高。
  12. Society a minor plant community within a larger community, characterized by a specific dominant species, for example, a trillium - dominated society in a community such as an oak woodland

    棲:是大落中具有一個小植物落的現象,該小植物落擁有一個特殊的優勢。例如:櫟樹林落中存在的以延齡草為優勢棲。
  13. On the process of modernization in china, a new class, so - called middle class, gradually comes into being from the former social structure and seeks for culture belongingness to enter into a original being immediately

    中國現代化進程中,逐漸分離出一體? ?中產階層。由於她們剛從舊的組織模式脫離,被納入新的存在形式,急需要尋找自己的文化歸屬。
  14. Gingko nut series of nutritious products include wild gingko nut nutritions tonic gift box, sugar - free tupe gift box packed in hard plastic bags, etc., which are suitable for barious types of population. especially, the marketing of the sugar - free type gife boxes bring blessings to the broad masses of the patients suffering diabetes as well as the aged and medium - aned people

    白果系列營養品包括:野白果營養滋補品禮盒、硬塑料袋裝、無糖禮盒等,適合各,特別是無糖禮盒的上市,給廣大糖尿病患者及中老年人帶來福音。
  15. Feeding in this manner allows animals with superior growth rates to be identified and selected for use in the breeding herd and also ensures that these animals not in a deficit position in terms of meeting their genetically defined target body composition as they approach maturity

    按照這模式飼喂豬,生長速度的優越性已經得到了確定,可以選擇優秀個體作為,同樣也確保在它們達到成熟時,不缺乏按照基因定義的目標體組成。
  16. The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation

    本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被落的組成、多樣性、生活落生長動態、垂直結構特徵、水平結構特徵、落結構與周圍環境(土壤含水量、溫度)相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被落的結構及其動態變化,取得了如下研究結果: 1 、植被落組成、多樣性及生活:沙坡頭地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾植物到現有30多植物,隨著固定沙地時間的延長,植物類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物的周轉速率最大,即落結構變化最大。
  17. 204 species of vascular plants were recorderd and 10 vegetation types ( including 3 subtype ) were classified. one vegetation type in an area stands for the total performance of interactions by many environmental factors

    本研究共記錄本區204維管束植物,植藉由矩陣團分析可將之區分為10,其中包含了3個植
  18. The second, open out the definition, the character, the element and the structure of the cis, and bring forward the model of csp ( the core - level determinants, the supplementary - level determinants, and the periphery - level determinants ), then, based on which, aiming at the model of csp, we explain that the basic pattern of the mode of cluster learning which is the dynamic mechanism of cis, and consider that the degree of the interact between the actors of clusters and the knowledge base are the two crucial dimensions in the research of cluster learning, go step farther that we put forward the four corresponding kinds of spatial forms clusters and the three - phrase evolution path, and so the integrated framework of cluster learning is built

    在此基礎上,針對csp模,從動態知識學習和靜態知識積累兩個角度解釋了集學習模式(集創新系統動態機制)的基本範式、機制模式,明確了集成員之間知識互動的緊密度和集靜態知識基礎的水平是考察集學習的兩個維度,並由此進一步提出了對應的四空間形態和三階段演進路徑,從而構建了集學習的模式框架。
  19. In new period, our best choice about management system mass sport is unity model between government and society

    摘要分析了廣東省當前不同層次的結合眾體育管理體制的組織結構,及在這體制中,政府和社會各自的職能定位。
  20. Social movements in the contest of this meeting is : those collectives, organizations and groups that from forms of organization that are not institutionalized work for social transformation from a critical perspective of collective emancipation

    從一個集體解放的批判觀點來看,從想要推動社會轉變的各態之非機構化組織所組成的團體、組織與體。
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