種群生態模型 的英文怎麼說

中文拼音 [zhǒngqúnshēngtàimóxíng]
種群生態模型 英文
population ecology model
  • 種 : 種名詞（姓氏） a surname
  • 群 : 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
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. 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

    以胸高斷面積代替種群生物量，分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究，運用改進單純形法對模型進行優化，擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢，南方紅豆杉種群的最大增長速度出現在第10齡級，即胸徑為68 76cm時期。
  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

    本文主要驗證和設計適應性操作運算元和小生境方法保持群體多樣性的能力，實驗表明兩種方法都能較好地達到目的；利用生物合作競爭模型設計協同演化來動態地改變群體規模，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。
  3. This note studies two - species metapopulations dynamics com mon model considering of the affect of interspecific interaction to colonization and extinction rate and rescue effect, demostrates the conditions of two specie s capable of coexistence in the competitor, predator - prey or mutualist system

    在考慮種間相互作用對定居率和絕滅率的影響以及逃避效應的基礎上建立了兩物種相互作用的異質種群動態的一般模型，通過模型分析說明了競爭、捕食和互惠共生系統中兩物種能夠共存的條件
  4. Stage structure ecological models i. e is considered. it is a two - species system, where the both species have two stages. immature and mature. and the mature species arc aquated

    為了能真實的反映這種生理現象，在建立生態模型時常將種群按其生理特徵分成幼年和成年兩個階段，即年齡階段結構模型。
  5. In the light of the recent work in biological models, especially in the chemostat models, the dissertation provides a systematic study on the asymptotical behaviour of some chemostat models built by delay or diffusion differential equations. the main contents and results in this dissertation are as follows : i ) the global asymptotic behavior of the chemostat model with the beddington - deangelies functional responses and time delays is studied. the conditions for the uniform persistence of the competing populations are obtained via uniform persistence of infinite dimensional systems

    本論文基於當前生物學模型，特別是恆化器模型的研究現狀，深入系統的研究了時滯和擴散方程描述的幾類恆化器系統的漸近性態，本文的主要內容包括以下幾個方面：一、研究了具有beddington - deangelies功能性反應函數的時滯恆化器模型，利用無窮維連續動力系統的一致持續生存的理論給出了兩競爭種群一致持續生存的充分條件，利用單調動力學系統得到了系統的全局漸近穩定性。
  6. Logistic model is one of core theory in population ecology. it almost the only model to describle population growth for about one hundred

    Logistic模型是種群生態學的核心理論之一。 100多年來，它幾乎是描述種群s型增長的唯一數學模型。
  7. According to the special surface structure and actualities that the city is extending along the transportation line and river region because of the restriction caused by the mountains in the two sides of every cities in qingyang. the author thinks it is not good to squeeze out the existence of cave dwellings during the course of urban construction, and it is necessary to emphasize the symbiosis between urban and cave dwellings. the author conceives that it is feasible to develop group - dwellings in the steep - sides of mountain and especially to adapt to constructing " climb - slope cave dwellings which are covered with earth "

    根據慶陽特殊的地表結構和城鎮發展受兩側山體限制而沿交通線與川區無限蔓延的現狀，筆者認為在慶陽城鎮建設中不應完全排擠窯居的存在，而是要強調城鎮與窯居的共生，並設想充分利用兩側陡坡地帶發展居住組團模式，建設新型「爬坡式覆土窯洞」建築群落，這種「城鎮型窯洞」可作為城鎮建設空間橫向的延續和拓展，防止城鎮呈線狀無限蔓延的畸形發展態勢；提倡運用現代科學技術對傳統窯洞民居進行改造與創新，要加快新式窯居的試點建設；建議積極開發慶陽窯洞旅遊資源，並提出了「窯洞地產」和「綠色窯洞產業」的全新概念。
  8. Nevertheless, the logistic equation was not far from precise, but after a hunderd years, it was still an important and widely applied model in ecology

    盡管logistic模型還遠不夠精細，但是直到一百多年後的今天，它仍是種群生態學中的一個重要的而且被廣泛應用的模型
  9. Under this mechanism, driven by s ome endogenous motivation factors and suitable exogenous motivation arrangement, the high - level - capability enterprises are expected to conduct external - to - cluster learning activities in the interregional network so as to introduce high - value knowledge flow into the cluster where they are located, and the low - level - capability enterprises, however, are expected to utilize local network to learn from the knowledge diffusion from their high - level - capability neighbors

    該機制的基本思想是藉助內生的動力因素和合理的外部激勵設計，來引導集群高位勢企業面向跨區域網路開展外向型技術學習以引進高價值知識流，而低位勢企業則藉助當地網路平臺從前者的知識擴散中進行跟進式學習，表現在知識的空間運動形態上，是一種「知識引進? ?知識擴散」模式。
  10. By introducing co - competition coefficient, in this paper, the primitive coordinated model that two species have the minimum critical population from biology is applied to analyze the co - competition quantity of suppliers

    摘要通過引入合作競爭系數，利用生態學中兩種群具有下臨界點的原始協作系統模型分析了合作競爭下的供應商數量。
  11. A study on growth model and ecological parameters of cambarusclakii

    克氏原螯蝦種群生長模型及生態參數的研究
  12. Evolutionary dynamic model of population with niche construction and its application research

    具有生態位構建作用的種群進化動力學模型及其應用研究
  13. At the same time, the age structure, time - specific life table, survivorship curve, fecundity schedule and leslie matrix were obtained through ana1ysing the demography and age struct ' ures of each subpopulation

    對種群年齡結構研究中，編制了種群靜態生命表、生殖力表，利用建立的矩陣模型預測了種群數量的動態趨勢，並進行了環境篩的分析，推斷了種群致危因素。
  14. In chapter 2, the almost periodic lotka - volterra model with m - predators and n - preys is considered. by constructing suitable lyapunov function, some sufficient conditions are obtained for the existence and global attractivity of a unique positive almost periodic solution of this model. our results generalize those ones of [ 18, 19, 23 26 ]

    第二章考慮了一個含有m個捕食者種群和n個被捕食者種群的概周期lotka volterra生態模型通過構造適當的lyapunov函數，得到了該系統存在唯一全局吸引概周期解的一些充分條件，推廣和改進了文獻[ 18 ， 19 ， 23 - 26 ]的結果。
  15. The dcca ordination improves relativity between species and environmental factors. so it avails to exp lain the ecology meanings of ordination axis. but compared with dca ordination graph, the points distribution of two - dimension graph of dcca ordination is much thicker and more concentrated, which causes the limit of plant community types much more obscure

    Dcca排序大大提高了種與環境的相關性，更有利於排序軸生態意義的解釋，但其二維排序圖與dca排序圖相比，點的分佈更加緊湊、集中，使得群落類型間的界限變得更加模糊，因而如果同分類方法結合使用， dca在樣地和物種排序上的效果好於dcca和cca 。
  16. So there are both continuous and discrete in the progress ( id fact, we always meet such a progress with both continuous and discrete variation during studying the biological model ). then we can model the progress by a dynamic equation on tune scales to solve it easily. since the last decade, there have been much advance on the dynamic equations on time scales

    那麼這個過程既有連續的又有離散的（事實上，在描述生物種群狀態的生物模型中我們經常會遇到象這樣的一個變化過程中同時具有連續的和離散的變化） ，我們就可以用一個時間模上的動力學方程來描述，進而用時間模上的運算對此加以解決，那麼問題處理起來就簡單方便了。
  17. Exploring the protection of ecology system by the harvesting optimal theory of single specie

    從單種群模型捕獲的優化理論探討生態系統的保護
  18. Firstly, the identification of the double medium system is considered, the existence, the uniqueness and the boundness of the solution of the system of the partial differential equations are proved by using the monotone method, the mathematical model of the parameter identification problem is established, and under some mild assumptions, the optimality system about the identification is derived, thus the suitable gradient methods can be employed to solving the identification problem. secondly, the theories of optimal control of distributed parameter system are introduced to investigate the parameters identification problem involving the three - dimensional population system

    利用單調方法證明了正問題解的存在惟一性和有界性，建立了相應參數識別問題的數學模型，並給出了求解這類識別問題的最優化系，從而可利用適當的梯度法，實現對系統參數的識別；把分佈參數系統最優控制理論引入到具有多個識別參數的三維種群生態系統的參數識別問題之中，給出了參數識別問題最優解的存在性結論，證明了狀態方程的解對識別參數的連續依賴性和g （
  19. The construction style in oxbridge college takes on a kind of academy of classical learning, keeping “ ecotype environment, landscaping with ornamental plants, as well as information campus ” as the layout concept

    學院建築群呈現一種書院型的模式，以「環境生態化、景觀園林化、校園信息化」為設計思想。
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