種群統計學 的英文怎麼說

中文拼音 [zhǒngqúntǒngxué]
種群統計學 英文
demography
  • : 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
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • 統計學 : statistics統計學家 statist; statistician
  • 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
  1. 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、家系分析、典型系譜分析及雙生子分析多個角度並結合多相關數理方法,對6項人類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。
  2. 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型設協同演化來動態地改變體規模,實驗表明該模型是有效的;人工神經網路是得到越來越廣泛應用的習系,但是由於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。
  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

    在收集、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、分類、生物特性入手,進而在實驗室內利用人工氣候箱,應用正交設方法,設了4溫度、 2濕度、 2光照梯度的不同組合,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、懷卵量等生物指標,深入研究胭脂蟲在這些組合下的生長發育狀況,應用數理方法,分析出溫度、濕度和光照對各項生物指標的影響,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. Considering that the enterprise cannot research the " customer - enterprise " value deeply, on the basis of that, the paper puts forward evaluating system of customer value in the enterprise according to value contribution, applies ahp to analyze weight of the indexes in consultation with marketing management and selling personnel of the enterprise and relevant experts and then exert clustering analysis and sas software to classify the customers according to the current value and potential value, provide the strategies of the customer classification management. in addition, any resource is exiguity, including economical resource. this paper defines economical resource, puts forward the model of optimum distributing resource and utilizes the method of linear regress equation to get result, which to grope for a new method about calculating marketing expenditure

    本文首先界定了客戶和客戶價值的含義,同時闡述了關系營銷中客戶價值的理論以及客戶價值的影響因素,針對目前「客戶?企業」價值的研究還不成熟的研究現狀,以及現實中還沒有定量分析客戶價值大小的方法,本文提出了一套具有可操作性的客戶價值評價的指標體系,對客戶可以進行比較全面的、多角度的評價,同時採用ahp法對這個評價體系中的各指標因子賦以合理的權重,然後運用聚類分析法和sas軟體對客戶進行了科地細分,在此基礎上幫助企業制定出不同細分客戶組的營銷策略;除此之外,考慮到目前企業對于營銷資源的合理分配問題還沒有進行過深入地討論,本著企業經營的根本目的是盈利的原則,論文結合經濟原理以及量經濟中的多元線性回歸分析提出了實現利潤最大化的營銷資源配置的優化模型,旨在探索一銷售費用最優配置的方法。
  5. Seventeen important morphological characters were analysed to identify and evaluate genetic diversity of morphology of the lespedeza populations. fourteen vital morphological characters were studied using basic statistics, correlation analysis, factor analysis and cluster analysis. zymograms were analysed using eighteen alleles of seven allozymes

    對14個關健形態性狀指標的平均值、方差、標準差、變異系數等基本分析表明,胡枝子屬植物不同間以及內居間在這14個重要形態性狀上的遺傳差異較大,變異系數達28 . 89 122 . 36 (全生育天數除外,變異系數為4 . 72 ) 。
  6. Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity

    採用體遺傳分析、家系組合分析法、先證者同胞法、分離分析法及多基因閾值模式分析方法對所得家系資料進行了分析,結合家繫系譜分析探討了上述6項特徵的遺傳方式;通過雙生子一致率的比較,對上述特徵的遺傳與環境效應的相對重要性進行了評價;算了呼和浩特市漢族體5對遺傳性狀的基因頻率,採用u檢驗方法與相關文獻報道的其他體進行了比較,探討了不同族間或民族間的遺傳差異性。
  7. In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability

    本文演算法避免了這個缺陷,且不需要復雜的hash數據結構,通過構造一個userid - uel關聯矩陣,對列向量進行相似性分析得到相似客戶體,對行向量進行相似性度量獲得相關web頁面,對後者再進一步處理得到頻繁訪問路徑。實驗結果表明了演算法的有效性。第四是本文將傳數據挖掘過程中的各關鍵技術,引入到對web使用信息的挖掘活動中,結合關系數據庫的特點設並實現了一個具有可廣西人頎士位論義視化功能的web使用挖掘系wlgms 。
  8. In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes

    在軌道控制部分,研究的主要思想是從整體化的觀點出發定義一建立在riemann流形上的非線性控制系,將狀態空間的幾何結構與控制系的狀態方程建立直接的聯系。在姿態控制部分,研究的主要思想是以整體微分幾何方法為工具,以李與李代數等數理論為基礎,從數角度建立具有良好性能的數模型,並設出相應的控制方法。
  9. In jinyun, beibei, chongqing. with the helps of various statistical analyses we studied the composition, species diversity and liaison between species in the communities in which s. tsinyunensis distributed, as well as the niche, distribution pattern, modular structure of the populations. the result shows as folio wings : there are 78 species of 70 genera in 47 families of higher plants in the communities in which s. tsinyunensis distributed

    本文運用植物生態及多數量分析方法,對縉雲黃芩全分佈區的落組成、物多樣性、物間聯結性、生態位、分佈格局及構件進行了研究,結果如下: 1 )縉雲黃芩分佈的落中有高等植物78,分屬47科70屬。
  10. After the studies about the height and leaves number structure by use statistic methods we know that the distribution curves of height is not fit the normal distribution while the leaves number distribution is

    應用種群統計學的分析方法,對的高度、輪葉數的結構進行了分析,結果說明,高度的分佈不是典型的正態分佈,而輪葉數的分佈為正態分佈。
  11. The discussion of cultural construction mode in baibuting community is developed as following : the first part presents author ' s motivation in carrying out the research, defining some concepts and introducing a few common modes of cultural construction in urban communities. the second part is a detailed description of fundamental ideas and content, advocating the notion of " human oriented, moral centered, law abiding, trying to creating a modern community with the capacity of sustainable development ", introducing its unique homestead culture. the third part sets forth the innovation of community culture construction modes in baibuting community : in order to create a, human - oriented community culture, establish a peaceful and content environment for the socialism ideology, the baibuting community made innovation on community management system ; by the analysis of the occupational statistics and object groups, the author found out that most of residents come from the middle class ; then, the author gives the definition of middle class and its general features in a sociological perspective ; finally, the thesis analyses the characteristics of the community residents " pursuit of culture and the harmonious development of community culture in aspects like value system, consumption habits, cultural needs

    本文通過理論習,對百步亭花園社區文化建設的模式進行了探索研究,在現狀調查過程中,筆者發現百步亭的社區文化建設之所以成功,除了開發商和物業管理中心的組織建設外,還有小區居民的積極參與合作,三者密不可分,而這又與居民所屬的階層文化訴求密切相關,於是,本文就百步亭社區文化建設模式作了論述,思路如下:文章的第一部分:提出本文研究的緣起,並對一些與本文有關的概念作了界定,還介紹了幾城市社區文化建設的一般模式;文章的第二部分:介紹百步亭花園社區文化建設模式的基本思想和內容,提出了「以人為本、以德為魂、以法為行,努力創造可持續發展的現代文明社區」的口號,並介紹了其獨具特色的家園文化;文章的第三部分:對百步亭社區文化建設模式的創新作了論述:百步亭社區為了營造以人為本的社區文化,構建社區安居樂業工程,為社會主義思想道德體系提供良好的社會文化環境,在社區管理體制上作了創新;還通過對百步亭社區居民的職業,來源體,分析出其從屬的社會階層主要是社會的中間階層;再次,從社會角度,定義了中間階層及一般特徵;最後從價值觀、認同感,消費觀念、文化需求等方面,分析了其文化訴求的特徵和與社區文化的協調發展;文章的第四部分:從整合功能和導向功能兩方面總結了百步亭社區文化建設的社會效應;並對百步亭社區文化建設模式的不足提出了意見和建議。
  12. The particle swarm optimization ( pso ) algorithm was invented by eberhart and kennedy in 1995 as a parallel optimization. it comes of the behavior of birds searching food

    粒子優化演算法是由美國心理家jameskennedy和電氣工程師russelleberhart在1995年共同提出的一并行演化算技術,源於對一個簡化社會模型鳥捕食系的模擬。
  13. The characteristics of quantum computing and the mechanism of immune evolution are analyzed and discussed. inspired by the mechanism in which immune cell can gradually accomplish affinity maturation during the self - evolution process, a immune evolutionary algorithm based on quantum computing ( mqea ) is proposed. the algorithm can find out optimal solution by the mechanism in which antibody can be clone selected, memory cells can be produced, similar antibodies can be suppressed and immune cell can be expressed as quantum bit ( q - bit ). it not only can maintain quite nicely the population diversity than the classical evolutionary algorithm, but also can help to accelerate the convergence speed and converge to the global optimal solution rapidly. the convergence of the mqea is proved and its superiority is shown by some simulation experiments in this paper

    分析和探討了量子算的特點及免疫進化機制,並結合免疫系的動力模型和免疫細胞在自我進化中的親和度成熟機理,提出了一基於量子算的免疫進化演算法.該演算法使用量子比特表達染色體,通過免疫克隆、記憶細胞產生和抗體相似性抑制等進化機制可最終找出最優解,它比傳的量子進化演算法具有更好的多樣性、更快的收斂速度和全局尋優能力.在此不僅從理論上證明了該演算法的收斂,而且通過模擬實驗表明了該演算法的優越性
  14. Abstract : the characteristics of quantum computing and the mechanism of immune evolution are analyzed and discussed. inspired by the mechanism in which immune cell can gradually accomplish affinity maturation during the self - evolution process, a immune evolutionary algorithm based on quantum computing ( mqea ) is proposed. the algorithm can find out optimal solution by the mechanism in which antibody can be clone selected, memory cells can be produced, similar antibodies can be suppressed and immune cell can be expressed as quantum bit ( q - bit ). it not only can maintain quite nicely the population diversity than the classical evolutionary algorithm, but also can help to accelerate the convergence speed and converge to the global optimal solution rapidly. the convergence of the mqea is proved and its superiority is shown by some simulation experiments in this paper

    文摘:分析和探討了量子算的特點及免疫進化機制,並結合免疫系的動力模型和免疫細胞在自我進化中的親和度成熟機理,提出了一基於量子算的免疫進化演算法.該演算法使用量子比特表達染色體,通過免疫克隆、記憶細胞產生和抗體相似性抑制等進化機制可最終找出最優解,它比傳的量子進化演算法具有更好的多樣性、更快的收斂速度和全局尋優能力.在此不僅從理論上證明了該演算法的收斂,而且通過模擬實驗表明了該演算法的優越性
  15. Recently, clusters with distributed memory are popular for parallel computing systems, and mpi is the actual standard of message passing programming. therefore, the application of clusters based on mpi to computational electromagnetics is studied in this dissertation. the methods are mom based on the integral equation method in conjunction with the preconditioning technique to speed up the iterative solution and a matrix order reducing method, namely the characteristic basis function method ( cbfm )

    目前,分散式內存的集是并行算系的主流系, mpi是消息傳遞編程實際上的標準,本文即研究了基於mpi的集技術在算電磁中的應用,採用的方法主要是基於積分方程的矩量法,並結合了加速迭代的預條件技術以及一矩陣降階方法? ? cbf方法。
  16. It takes good use of these two numerical computation methods merits and it is valuable for defmiting the computation model of pile ? oil ; at the same time, it builds the computation model of compound pile foundation and uses the software ansys which is about finite element to build the mechanics model. in regular quality soil, the result worked by this way has good unanimity with traditional results, so it applies us strong evidence for using the way which this article tells us to solve problems which is difficult to handle in compound pile foundation, such as irregular quality, layer quality of the soil. at last, taking foundation soil ' s measuring data of liaoning technology university ' s test building for example, and using the way this article tells us to build compution module, we solve the sharing ration of pile and loading board

    本文利用有限元與邊界元耦合的方法求解樁土相互作用問題,充分利用兩數值算方法的優點,對確定樁土相互作用算模型是一次有益的嘗試;同時建立了樁相互作月的數模型,並利用有限元分析軟體ansys建立其力模型,在均質土體中取得了與傳解答較好的一致性,從而為拓展利用本文所述建模方法,解決樁作用機理研究中難以處理的土體成層、非均質等性質,提供了有力的根據;最後,以遼工大實驗館地基土實測資料為例,利用本文建模方法,求解出承臺與樁的荷載分擔比,對安全、經濟地進行樁基礎設具有重要指導作用和應用價值。
  17. As a result the relatively reasonable basic data is designed and mathematics model on the firing effectiveness is established. then the c language program is used to solve the model and reasonable data index and relative theory on the basis of the large number of the simulation computation of the set target are obtained. the paper creatively puts forward the theory of the ship - borne artillery terminal guided projectile system and establishes the mathematics model to evaluate its firing efficiency, and creatively discusses the use of the terminal guidance system in the sea - crossing and island - landing battle, providing a theory basis for the future military struggle against taiwan

    本文的研究針對末制導炮彈這新型的精確制導武器系的特點,以炮兵射擊理論為基礎,以現代戰場上重要的點目標和集裝甲目標為研究對象,設定了比較合理的基礎數據;建立了射擊效能的數模型;採用試驗法,運用c語言設算程序對模型進行求解;對設定的重要目標,進行了大量的模擬算分析,得出了比較合理的數值指標和相關結論;對其作戰應用進行了探討性研究,創造性地提出了船載炮發射末制導炮彈武器系的新技術,建立了評定其射擊效率的數模型;創造性地探討了末制導炮彈武器系在渡海登島作戰中的應用,為未來戰場上我精確制導武器的使用,做好對臺軍事斗爭準備提供了理論依據。
  18. A large mount of experiments had been performed to obtain a range of main control parameters settings for proposed algorithm. csga for task matching and scheduling is not scalable for multiple independent decomposable tasks. the computational model of cooperative coevolution is addressed, which simulates the process of natural coevolution among species

    針對傳遺傳演算法求解獨立多任務分配與調度問題的伸縮性差的缺點,本文基於多物共同進化的生物背景,從理論上探討合作式共同進化算模型的機理。
  19. Explore the auto consumption current, influencial factors, automobile consumption ’ s stimulation economic growth, and how to promote car consumption and stimulate economic growth is the subject of this study. first, the paper discusses background, aim and meaning of the research, and summarizes the thesis theme, technical route method and main content. second, the paper analyzes the comsumption theories and economic growth theories and discusses the relation between the auto consunption and economic growth from the marxist economics, classic economics, system economics, industry economics, innovation economics etc. the theoretical foundation of this dissertationis the marxism consumption, the kennis ’ s absolute income theory, freedman ’ s long income suppose theory ect

    本項研究採用理論與實踐相結合的方法,對汽車消費與經濟增長的關系進行了經濟分析,探索了汽車消費拉動經濟增長的理論基礎;通過對波特價值鏈理論和產業集理論研究,分析了汽車消費關聯效應的理論基礎;分析了我國汽車消費和汽車消費市場的現狀,並對汽車消費進行了國際比較,指出了汽車消費的變化趨勢;對影響汽車消費的各要素作了系的分析,明確了各影響因素的現狀和發展趨勢以及它們對汽車消費趨勢的影響;為了揭示汽車消費與經濟增長的關系,首先進行了汽車消費對汽車產業以及關聯產業的拉動作用的分析,並運用主成分分析方法和多元分析方法,分別就我國汽車消費對經濟增長的拉動作用和吉林省汽車消費對經濟增長的拉動作用進行實證分析,總結了汽車消費對關聯產業和經濟增長的具體影響;提出促進汽車消費、拉動經濟增長的對策與建議,並指出了應進一步研究的領域。
  20. In chapter three, 5 main classifications of language and 6 typical subjects of nqtmda are analyzed systematically and respectively from integer and item of the tests, which analyzes the results of english test result in emphasis and reflects the quality of tests from the point of view of quantification. also we analyze the status of candidate crowd and violating the exam discipline. chapter four constructs the statistic and analysis system of nqtmda, and demonstrates the integral architecture of the system, and the features of this application software are introduced

    第三章通過實驗分析,以實際應用為目的,對2001 、 2002年度同等力申請碩士位全國一考試中報考人數較多,涉及范圍較廣、較具典型性的五個外國語語和六個一級科分別進行了系的抽樣分析,包括試卷整體分析和項目分析,重點對英語考試結果進行完整的分析,從量化的角度反映了試卷和浙江工業大碩士位論文試題的質量,並對考生的人狀況,以及違紀情況作了與分析。
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