集合種群 的英文怎麼說

中文拼音 [zhǒngqún]
集合種群 英文
matapopulation
  • : gatherassemblecollect
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 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
  • 集合 : 1 (聚集) gather; assemble; muster; call together 2 [數學] [自動化] [計算機] assemblage; set; co...
  1. Under mixed culturing conditions, it was observed that bacterial number rapidly incre ; ised soon after the lysing of host cells. on the contrary, while the non - host cyanobacterium ( i. e. anabaena flos - aquae ) was incubated in the mix culturing system, the breeding of the bacteria could be inhibited. it may be suggested from the result above that cyanophage could bring about the changes in microorganism populations

    調查結果顯示, 19個採的水樣中有6個含有裂解織線藻的噬藻體,而且水樣未經濃縮即能裂解宿主,說明噬藻體在淡水中分佈較廣泛,裂解性也較強;混培養條件下的研究結果表明,噬藻體裂解宿主后,細菌數量快速增加,而當培養系統中有非宿主藻類存在時,細菌的增殖則受到非宿主藻的抑制,說明噬藻體可以顯著改變系統中微生物的結構。
  2. 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分佈,其中7個的分佈格局類型是聚分佈,其聚強度較高,另有一個為隨機分佈;其的離散分佈擬結果也嚴格符一定的數學模式,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個出的結果是負二項分佈,i和m擬出的結果是poisson分佈。
  3. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收、整理國外對胭脂蟲的研究資料基礎上,首先從胭脂蟲的形態學、分類學、生物學特性入手,進而在實驗室內利用人工氣候箱,應用正交設計方法,設計了4溫度、 2濕度、 2光照梯度的不同組,通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、趨勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標,深入研究胭脂蟲在這些組下的生長發育狀況,應用數理統計方法,分析出溫度、濕度和光照對各項生物學指標的影響,找出胭脂蟲適宜的室內培育條件,並為野外胭脂蟲的培育提供一定的理論依據。
  4. A group of individuals can be called a population.

    個體的稱為
  5. They, using agglutination, complementfixation, and precipitate tests, divided rhizobium cultures from 18 legumes into nine characteristic serological groups.

    他們用凝作用,補體結試驗和沉澱素試驗把從18豆科植物分離出來的根瘤菌培養物分成9個具有特點的根瘤菌血清類
  6. Dusky thrush ( turdus naumanni ), common magpie ( pica pica ), bohemian waxwing ( bombycilla garrulus ), grey - faced woodpecker ( picus canus ) mainly consists of single species, and the average population size is 6. 26 individuals ( 1989 - 1990 ) and 7. 44 individuals ( 2001 - 2002 ), the mixed species population mainly consists of great tit ( parus major ), marsh tit ( parus palustris ), eurasian nuthatdch ( sitta europaed ), the average species number is about 3, average number is 7. 4 individuals

    冬季鳥類的明顯,單主要為長尾山雀、斑鴉、喜鵲、太平鳥和黑枕綠啄木鳥,每平均個體數為6 26隻門? 1990年)和7 44隻( 2001 2002年) ,混主要由大山雀、沼澤山雀和普通幅構成,每平均數在3左右,平均個體數在7
  7. Thirdly, the working time depends on season change and there is a different focus in the evaluation of merit & benefit. lastly, there are many scattered manufactured sites for one unit, so the employers work not in a single site. in order to adapt to the requirement of management information and the modernization, it is urgently to develop a hrmd to supply information integration and share of human resources management in those institutes

    我國市級科研所正處于科研體制改革時期,在人力資源管理上具有「專業技術人員多,知識體密;多分配模式並存,實際工資和檔案工資分離;工作時間季節性強,績效考核各有側重;生產基地多,人員分散」等特點,為適應管理信息化、現代化的發展要求,迫切需要開發一個符行業管理特點,能為人力資源管理活動提供信息成和共享的人力資源管理與決策支持系統。
  8. Based on the enviroment of the nandagang wetland, combining the outside investigation and inside analysis, adopting the mathematical analysis methods such as the principal component analysis ( pca ), regression analysis, correlation analysis etc. the type of wetland ecosystem, the flora of the wetland plant, the type, the function, the formation and succession and the outside influencial factors of the vegetation, the ecological conditions and biomass of the reed population are all studied. the main results can be concluded as follows : 1 ) the nandagang wetland is a freshwater one close to the bohai sea. its ecosystem can be divided into two parts : natural ecosystem and semi - artificial ecosystem

    本研究從南大港濕地的實際環境出發,採用樣方調查的方法,以外業調查和內業分析相結、野外採測量與實驗室分析處理相結、定性描述與定量分析相結為根本研究路線,應用主分量分析( pca ) 、回歸分析、相關分析等數學分析手段,對南大港濕地生態系統的類型、濕地植物的區系組成、濕地植被類型、植被的功能、植被的形成和演替、植被的外界影響因素、濕地蘆葦的生態條件和生物量等方面進行了較深入的研究,主要研究結果如下: 1 )南大港濕地是濱海瀉湖型淡水濕地。
  9. On the one hand, the teacher should organize and establish the class collective consciously

    一方面,要有意識地組建班體。另一方面,要注意對班級中的兩體的整
  10. The growing custom of regularly assembling from afar the representatives of all kinds of groups, not only for political conventions, but also for commercial, professional, learned, and vocational ones … in turn supported the multiplying hotels

    增長中的風俗,通常了所有類的體從遠方來的代表,不僅為政治慣例還是為貿易上、專業上、已學習的和職業的慣例… ,輪流支持了增長中的賓館。
  11. We studied its distribution pattem by using the following measures f the test for fitting to the poisson, negative binomial and neyman a distribution. at the same time, we use negative binomial parametef, dispersal index, patchiness index, cassie s index and clumping index, estimated the aggregation intensity. the results showed that the distribution pattern is typically aggregated, and the intensity of aggregation vari

    經統計分析,青島百、各局部內個體的分佈格局離散分佈擬的結果符負二項分佈;各聚強度參數中,叢生指標)和cassie指標(二k )均大於o ,負h項參數限)均較小,擴散系數k卜擴散型指數)和聚塊性指標( m m )均大於1 ,以上這些表明各個局部的分佈格局都為聚分佈。
  12. Theoretical basis for species conservation : from the theory of islandbiogeography to metapopulation dynamic theory

    從島嶼生物地理學理論到集合種群理論
  13. The higher landscape heterogeneity, the closer to nature secondary forest. along the gradient, landscape congregation index exhibits descendent tendency, showing a significant relationship between the extent of patch mosaic and the extent of disturbance, according to changes of landscape mean shape index ( lmsi ) and landscape mean fractal dimension index, integrated disturbance ( nature disturbance, human activities, vegetational inner succession or population dynamics ) tend to enhance

    景觀聚度指數是隨著梯度區呈下降的變化趨勢,表明斑塊之間的鑲嵌聯系的程度與受到的干擾程度有極為重要的關系。從景觀平均形狀指數和景觀平均分維數的變化,可看出綜干擾(自然干擾、人為活動、植被的內源演替或的動態變化)是呈增強的發展趨勢。
  14. In the same time we also use it to test the power of dc crossover. in this algorithm every element in the population a domination count is defined together with a neighborhood density measure based on a sharing function. those two parameters are then non - linear combined in order to define the individual ' s fitness

    演算法通過計算中pareto優于某個個體的個體數目以及個體所在位置的密度來定義適應度函數,多個算例的測試結果表明該演算法結錯位交叉運算元具有較好的性能,能夠使演算法收斂到pareto概念下的比較均勻的一組非劣最優解。
  15. This thesis contrasts and analyses the different calculation - method, and improves the genetic algorithm in the parameter inversion of the rock and soil engineering. the strategies are mainly in the following three aspects : 1, new searching way is compositely searching genetic algorithm which is made up of the acceleration method and genetic algorithm when it partially calculates in the later time ; 2, index function is inducted in gengetic operators, at the same time repeated select and double exchange pool are used ; 3, splicing crossover, which reserves some new evolution factions, improves authority function accaunting the capabilities and kinds

    本文對優化演算法中不同求解方法進行對比分析,針對遺傳演算法在巖土工程參數反演運算中進行了改進,改進的策略主要中於三個方面: 1 、提出了在遺傳演算法中融入形加速法的改進方法? ?復遺傳搜索法; 2 、針對遺傳運算元的選擇策略,引入指數適值方法,設置雙交換池,提出了重復篩選法; 3 、加強對劣勢的內部優良信息的遺傳功能的改進,引入權函數,擴大可交叉運算元的類,保留各運算元的進化功能,提出了融交叉運演算法。
  16. At present, there have been extensive studies on the animal metapopulation. however, studies on the plant metapopulation are rare. in addition, studies on metapopulation in our country mostly focused on translating extemal papers and introducing the situation of their researches, and nearly there is n ' t material study on metapopulation

    另外國內雖已開始重視復的研究,但目前的工作還主要中在對文獻資料的翻譯和對國外研究進展的介紹方面,涉及對復的有關理論探索和經驗研究方面仍然近於空白。
  17. In order to maintain the population diversity, the algorithm retains the individuals which have better fitness and farther away from the sets of the selected individuals, and uses the parameters of clustering to reduce computation cost

    為了保持的多樣性,演算法保留那些具有較好適應值並且與所選的最優個體較遠的個體,並利用聚類的參數來減少計算量。
  18. It is this elevated level of performance which is the main justification for using the group process rather than a simple group of staff

    團隊表現的提升是為何要採用團隊工作程序而不是僅僅把一普通的員工到一起的最主要理由。
  19. It improves the tsp tour and reverses the order of the sub - tour. the dds method is a combination of global parallelism with coarse grained pga. there is however no migration operator as such, because the whole population is treated during the evolution as a single collection of individuals

    動態模型是一由全局并行模型和粗粒度并行模型結而成的并行遺傳演算法模型,但它並沒有遷移操作,因為在進化過程中僅僅被當作是個體的
  20. Such a pooled mode, subverts the traditional architectural concepts and combines building housing, shopping, leisure and entertainment, health and other functions into an integrated property group, the residents living here feel immensely relaxed and comfortable and happy

    性模式,顛覆傳統的建築理念,構建居住、購物、休閑、娛樂、養生等多功能於一體的綜物業,讓生活在這里的居民感到無比的輕松、舒適和快樂。
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