種群統計 的英文怎麼說

中文拼音 [zhǒngqúntǒng]
種群統計 英文
population count
  • : 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...
  • 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

    本文首次從體遺傳學、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。
  2. 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、懷卵量等生物學指標,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。
  3. Demography and survival analysis of picea schrenkiana

    天山雲杉種群統計與生存分析
  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學地細分,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,論文結合經濟學原理以及量經濟學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個關健形態學性狀指標的平均值、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個重要形態學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. We constructed fences using 2 x 2 x 2 factorial design to examine the effect patterns of food availability, predation and interspecific competition on population dynamics and spatial behavior of reed voles, microtusfortis. we expected to test two hypothesises : ( 1 ) availability of high quality food, predation and interspecific competition have independent and addictive effects on population system dynamics for small mammalia herbivore ; ( 2 ) availabiliry of high quality food could reduce home range and aggressive behavior level between individuals of microtine, predation and interspecific competition have independent effects on spatial behavior of microtine

    以2 2 2析因實驗設,在野外圍欄條件下,探討食物可利用性、捕食及間競爭對沼澤田鼠( microtusfortis )動態及空間行為的作用,旨在檢驗下述特定假設: ( 1 )高質量的食物可利用性、捕食及間競爭對植食性小哺乳動物動態具有獨立的和累加的效應; ( 2 )高質量的食物可利用性可降低田鼠個體間的攻擊行為水平,並導致其巢區減小;捕食與間競爭對田鼠的空間行為亦有獨立的作用。
  7. 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

    採用體遺傳學分析、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學分析,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。
  8. In six selected areas of the subtropical semi - humid evergreen broad - leaf forest ecosystem of yunnan diaolin mountain, during drought season from november, 1992 to april, 1993, authors studied and analysed, throught adopting the taxonomic, ecological and mathematical statistics method, the distribution, composition and domi - nant fungi of the small fungi as well as biodiversity. altogether 706 strains statistics unit, belonging to 28 genera, dominant fungi 678 strains statistics unit, 20 dominant fungi gen - era

    在雲南雕林山亞熱帶半濕潤常綠闊葉林森林生態系的六個具有代表性的樣區中,於1992年11月至1993年4月旱季期間,運用系分類、生態分析和數理的方法,對小型真菌的分佈、組成、優勢菌及其生物多樣性進行了分析,共分離獲得小型真菌菌株單位706株,分屬於28個屬,其中,優勢菌678株,分屬於20個屬。
  9. New genetic changes has appeared in the selected shrimp generation, at the same time, no generation - specific bands were found. in addition, genetic variation among g2, g3 w1, hg were estimated by aflp and sampl, as shown in the umpga dendrogram, g2, g3, g4 were clustered into one group, and then g3, g4 were clustered. whether the data from aflp and sampl were calculated together or respectively, the results were similar with only a little difference from aflp

    另外,應用aflp和sampl對g2 、 g3 、 g4 、 w1及一個日照養殖體hg進行了比較,將aflp 、 sampl條帶到一起聚類分析顯示g2 、 g3 、 g4聚為一支與w1與hg的聚合支首先分開, g3 、 g4再聚為一支與g1分開,顯然g2 、 g3 、 g4聚合趨勢與上述sampl分析結果相似;除aflp 、 sampl條帶到一起算外,對上述g2 、 g3 、 g4 、 w1 、 hg相同樣本的aflp 、 sampl條帶分別進行了運算,可以看出兩方法結果相似,單一技術算結果與兩者聯合處理結果相似,但aflp條帶經popgene軟體處理所得umpga系樹卻有所差別。
  10. Finally, simulation experiments, the different parameters set out under the track, population size of the different fitness value of statistical analysis, the results showed that use of genetic algorithms in robot path planning is effective and feasible

    最後通過模擬實驗,對不同參數設置下規劃出的路徑進行比較,不同大小的適應度值進行分析,結果表明,遺傳演算法應用在機器人路徑規劃中是有效的,可行的。
  11. To evaluate the effects of drift in the classical sense, the population size should be known.

    要用正含義估播遷的效益,就應知道的大小。
  12. 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

    本文運用植物落學、生態學及多數量分析方法,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。
  13. According to the shortage of ga converging to a local optimal solution because of reducing the diversity of individuals, the theory of biological immune system is cited, the immune operators including calculation the densities of antibodies, activating or suppressing antibodies and making the memory cell are designed, and effectively combined with ga operators

    同時,針對遺傳演算法在收斂算後期,由於趨向單一化,出現早熟現象而陷入局部最優解的缺點,借鑒生物原理的免疫系,設出抗體濃度算、抗體的抑制/促進、構造記憶單元等多個免疫運算元,並與遺傳運算元進行有效結合。
  14. 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。
  15. Longgang nature reserve plays an important role in preserving two langur species of both white - headed langur and francois langur. interview and field survey methods were used to survey the distribution and population size of these two langurs in this natural reserve from december 2001 to january 2002. the result indicated that the reserve has 8 groups of white - headed langur with 68 individuals in longrui and 10 groups of francois langur with 75 individuals in longgang. the distribution area and population size of both of the two langurs in this reserve have greatly declined in the past decades. they are seriously threatened and have high risk of disappearance from this reserve if no effective measures are to be taken at once

    為了確定弄崗自然保護區內白頭葉猴的數量,彌補黑葉猴數量的空白,掌握此保護區葉猴的生存現狀,採用訪問法和實地數量法相結合的方法對弄崗自然保護區的弄崗、隴瑞和弄呼3個部分進行深入的調查研究.調查結果表明,在隴瑞片范圍內,共有8白頭葉猴,大小在68隻左右,和20世紀80年代末的244隻相比,數量下降相當驚人;在弄崗片內,共記錄到黑葉猴10,最大的為11隻個體,最小的是4隻個體,共約有75隻黑葉猴(絕對數量) ;弄呼的黑葉猴已經于上個世紀的晚期消失.造成目前狀況的因素主要是過度狩獵和其他形式的過度干擾.弄崗自然保護區的葉猴數量已經接近可持續繁殖的最低水平,如不採取有效的保護措施,這個將很可能在短期內消失
  16. Population statistics analysis of pinus taiwanensis

    黃山松種群統計分析
  17. 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

    本文通過理論學習,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,從社會學角度,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。
  18. Abstract : the sample breakdown point of a test is defined as the smallest proportion of arbitrary outlier in the sample that reverses the test decision. in this paper, wegive the sample breakdown point of a test for maximum likelihood estimate of exponential distribution parameter and analyze the asymptotically normal characteristic of the sample breakdown point

    文摘:如何量化一方法對異常值的不敏感性一直是穩健研究的一個重要課題.檢驗的樣本崩潰點是樣本中能逆轉判決的離值的最小比例.在研究相關文獻的基礎上,算出指數分佈參數極大似然估檢驗的樣本崩潰點,並分析了樣本崩潰點的漸近正態性,為量化方法的穩健性提供了一新的途徑
  19. 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學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
  20. Wildlife population statistics

    野生生物種群統計
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