persistence time 中文意思是什麼

persistence time 解釋
持續時間
  • persistence : n. 1. 堅持；固執；頑固。2. 持續性；持久；存留。3. 【無線電】持久性；（螢光屏上余輝的）保留時間。
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. 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。
  2. Our results imply that mutual interference in a species may result in coexistence of the two competing species and demonstrate that those time delays do not influence the competitive outcome of the organisms. ii ) the asymptotic behaviour of the chemostat model with mutual interference or without mutual interference is studied. for the two models with delay, the uniform persistence of the models are both proved under the conditions of the existence of the positive equilibrium

    二、研究了無種內競爭和有種內競爭的具有階段結構的時滯恆化器模型的漸近性態，對于兩類模型，都在正平衡點存在性的條件下證明了該系統的一致持續生存，對于兩類相應的常微系統的模型，均在正平衡點存在性的條件下證明了該正平衡點的全局穩定性。
  3. Concerning work attitudes, dr. siu suggested employees to develop stronger commitment and involvement towards their organizations, and to nourish some traditional chinese work values such as hard - working, persistence, and patience, to cope with this hard time with their employers

    蕭博士續稱：員工應盡量提高對組織的承諾感及投入感，亦可進一步培養工作價值觀，如勤儉刻苦及忍耐，便可與僱主在經濟不景的情況下共渡時艱。
  4. The persistence of wind over varying intervals of time is important in the launch of space vehicles.

    在不同時間間隔內風的持續性對空間飛行器的發射量是很重要的。
  5. This phenomenon is called "topophysis" and can be defined briefly as the long-time persistence of age or position effects in trees grown from cuttings or grafts.

    這種現象被稱為「部位效應」，可簡單地下個定義，即從插條或嫁接長成的樹在長期內保持年齡或部位的效應。
  6. This phenomenon is called " topophysis " and can be defined briefly as the long - time persistence of age or position effects in trees grown from cuttings or grafts

    這種現象被稱為「部位效應」 ，可簡單地下個定義，即從插條或嫁接長成的樹在長期內保持年齡或部位的效應。
  7. For the next 20 years, the curiosity that was sparked by wanting to know what controlled the compass needle and his persistence to keep pushing for the simple answers led him to connect space and time and find a new state of matter

    在隨后的20年裡，正是由於想知道是什麼力量控制了指南針的指向所激發的這份好奇心以及堅持追求簡單答案的毅力，引導他將空間與時間聯系起來思考問題，由此發現了一種嶄新的物質狀態。
  8. It reveals that the slope stability is mainly controlled by a set of joingts nearly parallel to the slope surface with a moderate to gentle dip angel. obvisouly, its persistence ration is the most important factor among all th e charatcteristics related to the stability analysis. on the other hand, the nature slopes and the excavated ones show a series superficial deformation and failure phenomena related to unloading process and time - dependent deformation, which are all described and recorded in detail in author ' s work

    經過現場地質調查發現，邊坡中一組sn向中緩傾角結構面對邊坡的失穩具有控制意義，它的存在導致了邊坡可能的失穩模式為平面滑動，即當坡腳被剝蝕或進行切腳開挖時，發生沿邊坡內sn向中緩傾節理滑移，沿后緣陡裂張開的一種滑動失穩模式。
  9. Access intent is a websphere application server run - time service that enables you to more precisely manage an application s persistence

    訪問目的是websphere application server運行時服務，它允許您更加準確的管理應用程序的連續性。
  10. 3 ) the anomaly interaction of global sea thermal elements with climate elements is of persistence from previous summer / winter through current winter / summer with relative stable interaction areas on inter - decadal time scale. while their abrupt climate change did not occur simultaneously

    3 ）在年代際尺度變化方面，海洋熱異常和氣候異常有較好的同期相關關系，相互作用的關鍵區也有較穩定的位置，不同要素的氣候躍變點不盡相同。
  11. 3 moderately abnormal imitation. the child imitates only part of the time andd requires a great deal of persistence andd help from the adult ; frequently imitates only after a delay

    中度異常的模仿行為。孩子只能在部分時間里做到模仿，並且需要大人持續大量的幫助才能做到，或者僅在一定的時間延遲后，頻繁地模仿。
  12. The molecular weight of the inhibitor has intensive distribution, effect of restrain of inhibitor has long time persistence, and is relation to light intension, temperature and so on.

    同時又發現這種抑制劑的抑制效果具有較長的時間持續效應，並表現出與光強，溫度等因素有關的現象。
  13. China is a big country in yielding aquatic product, the output of aquatic product increase 、 with high speed, the aquaculture make important contribute to development of china ' s rural society and economy. however there also many problems to resolve in the development of china ' s aquaculture, for example pay too much attention increase output, neglect increasing quality, ignore maintain of resource and environment. after joined in wto, along with the amalgamation of china and world ' s economy, china ' s aquaculture market must fall after great infection. so after analysis on the produce process and conlnlerce of world ' s aquaculture, putting up systemic economic analysis and policy study on china ' s aquaculture, exploring the development rule and the countermeasure to realize the persistence development of aquaculture, have important theoretic worth for filling up research lack of china ' s aquaculture economy study. at one time, through economic analysis on china ' s aquaculture, study on its countermeasure, establish policy measure for scientific decision - making, have important practice meaning

    因此，在分析全球水產品生產、加工和貿易現狀及其前景的基礎上，對中國水產業進行較為系統的經濟分析和政策研究，探索水產業的發展規律以及實現水產業可持續發展的對策，對于填補國內對這一領域的研究不足，形成「中國水產業經濟研究"理論框架，具有重要的理論價值。同時，本項選題通過對中國水產業的經濟分析，研究中國水產業發展的戰略思路，提出有針對性的對策建議，為政府制定相應的政策措施提供科學決策依據，具有重要的實踐意義。本項研究運用經濟統計學、計量經濟學、博弈分析等理論和方法，研究水產品生產、加工、對外貿易的歷史及現狀，針對水產業發展中存在的問題提出相應的對策。
  14. Last, in chapter 3, we consider the discrete - time competition model with periodic coefficients where p > 0 is constant, - periodic sequences. the persistence of the positive solutions of ( 3 ) and sufficient conditions for the existence and stability of the positive periodic solution of ( 3 ) are obtained, our results extended the corresponding work in [ 17, 18, 19 ]

    第三章，考慮具周期系數的單物種競爭模型其中{ （ n ） } ， { （ n ） }都是以為最小正周期的周期序列，研究了該方程的正解的持久性與周期解的存在性和穩定性，所得結論拓廣了[ 17 ， 18 ， 19 ]中的工作。
  15. Chen fengde. persistence and global stability for nonautonomous cooperation system with diffusion and time delay. acta scicntiarum naturalium universitatis pekinensis, 2003, 39 ( 1 ) : 23 - 28

    高淑京.具有擴散的n -斑塊單種群系統的全局漸近穩定性.生物數學學報2000
  16. 2. some phenomena of price complexity are discovered in csm, which are the complicated structure of returns frequency distribution and its evolution ; persistence and evolution of the market ; stable cycles in long - term, and persistence and reversion in short - term, using these methods, such as statistical test, rescaled range analysis, ljung - box test, bds test, v - statistic, spectral analysis, time - frequency analysis and so on

    2 .利用統計檢驗、重標極差分析、 ljung - box檢驗、 bds檢驗、 v統計量、譜分析及時頻分析等方法發現了中國股票市場價格復雜性的三種現象，即收益率分佈的復雜結構及其演化現象、市場的持續性及其演化現象、市場長期穩定非周期循環和短期持續與反轉現象。
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