演化時間 的英文怎麼說

中文拼音 [yǎnhuàshíjiān]
演化時間 英文
evolutionary time
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 演化 : evolution
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly

    本課程主要講述礦物及其共生組合的形成和變化的條件和過程，不同物理化學條件下礦物的成分、結構、形態、物性等標型特徵以及它們之間的內在聯系，礦物及其共生組合在時間上和空間上的分佈和演化規律，礦物成分、結構、形貌、物性等的分析測試方法，礦物地質溫度計和地質壓力計對其形成環境的表徵，不同體系（封閉體系、開放體系）條件下，礦物的穩定范圍和彼此替代順序的共生分析，重點介紹黃鐵礦、石英、石榴石、輝石、角閃石、雲母、長石等礦物（族）在成因上的宏觀標志和微觀信息，以及其成因信息在成巖作用和成礦作用中的地質意義。
  2. The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment. during the past two decade, the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants, provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants. three new plant based epochs have been recognized. on the other hand, molecular sequence studies have provided insights into the phylogeny and early branches of land plants. a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences. this paper summarizes recent advances and new knowledges, comments on the phylogenetic studies based on the cladistic analysis

    陸生植物的起源和演化是地球生命中的重大事件，它影響到地球上所有的其他生命和全球環境。在過去的20年中，從中奧陶世歷經整個志留紀至早泥盆世的巖層中，化石植物微化石和大化石的新發現改變了人們對陸生植物起源的認識，並且為陸生植物和維管植物早期演化分異提供了基部類群分化的時間框架。據此人們識別出地史中的3個陸生植物的時代：始胚植物時代始維管植物時代和真維管植物時代。
  3. This result was the biochronological base for estimating sample ages in the study on genus gephyrocapsa. 2. morphological variation of gephyrocapsa was investigated based on biometrically analyzing 6 morphological features of a coccolith placolith, e. g

    （ 2 ）結合時間序列來對橋石種類的在演化的過程中形態變化進行分析，發現在整體演變的進程中，幾種形態因子中一直處在最劇烈變化中的是盾盤的長度。
  4. An optimized algorithm for mining association rules in hydrological time series is proposed on the foundation of the analysis of variance ( anova ), contingency table test and the new definition of interestingness

    摘要基於方差分析、列聯表檢驗以及興趣度的定義，提出一種挖掘水文時間序列關聯規則優化演算法。
  5. On one hand, numerical derivatives provide proper search directions in optimization, therefore their accuracy is of great importance for fast convergency. on the other hand, derivative evaluation is one of the most time - consuming steps in optimization

    當前的高性能數學規劃演算法大都依賴于導數計算以快速收斂到最優點，所以對求導精度的要求比較高；而導數計算所消耗的時間占優化時間的比例又非常的大。
  6. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先，文中將三相變壓器兩相涌流差流的二次諧波含量比和間斷角作為網路的輸入變量；其次，利用對原有bp網路訓練演算法基礎上的改進型演算法（即在計算本次權值和閾值的變化時增加上一次權值和閾值變化的影響以及採用變學習率，與此同時隱含層神經元個數採用動態形式） ，通過樣本訓練使網路結構模型達到最優。
  7. We ca n ' t divide the multiple streams time series into singleness times series simply in the research of multiple streams time series, we ' ll dissever the relation between the events of the multiple streams. although the msdd can find the dependency relationship of multiple streams, but it have n ' t the initialization of the events, the express of the time relationship between events is not frank, the cost of the algorithm is expensive ( o ( n5 ) ), i ca n ' t find much more knowledge in multiple time series, it find the dependency patterns only of the multiple time series, so there need a new more effective, frank, complete algorithm to find the knowledge

    研究多流時序不能簡單地將它割裂為單流時序，因為這樣就割裂了數據流事件之間的關系。雖然msdd能夠發現多流時間序列中的依賴模式，但是由於其缺少對數據的初始化、事件之間時間關系的表示不直觀、演算法執行的時間空間開銷很大（ o （ n ~ 5 ） ） 、不能夠充分發現多流時間序列包含的知識，它只發現依賴關系，因此研究新的，高效，全面的發現多流時間序列事件之間關系的演算法成為必要。本文分析了單一和多流時間序列中的知識發現，把多流時間序列事件內部存在的關系表示為：關聯模式、依賴模式、突變模式。
  8. Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process

    論文在對研究區土地荒漠化現狀野外調研和不同時相（ 1987tm 、 1996tm和2000ccd ）遙感圖像土地荒漠化信息提取和演變分析的基礎上，結合研究區已有的多元信息基礎資料及研究成果（包括地質、地理、多時期的水文氣象、經濟、人文以及dem數據等） ，運用gis強大的空間分析功能和概率統計、曲線估計、邏輯分析、主成分分析、層次分析等數學方法綜合研究了土地荒漠化與各驅動因子之間的相關關系，揭示了研究區土地荒漠化的主要驅動因素，探討了荒漠化動態演化規律。
  9. Dealing with remote sensing data of different time ( 1987, 1996 landsat tm, and 2000 china - brazil earth resource satellite ccd ) and using the gis technology, the dissertation extracts the changing information of the desertification. the dissertation makes a dynamic remote sensing analysis on the desertification of the research region, and discusses the temporal and spatial evolving law of the desertification

    在技術上主要採用了1987 、 1996年的陸地衛星tm數據以及2000年中巴資源衛星1號ccd數據三個不同時相的遙感數據進行圖像處理，並利用gis較強的空間分析功能，從中提取研究區土地沙漠化的變化信息，同時與研究區的其他信息數據進行疊加分析，探討了研究區土地沙漠化的時空演化特點。
  10. Taking several different spin - state q for examples, we demonstrate the evolving pictures which are straightly made by numerical solutions of the magnetization and the equal time spin - pair correlation and the relaxation functions

    以q = 2 ， 3 ， 4 ， 5 ， 8為例，我們對磁化強度和等時自旋對關聯時間演化方程做了數值計算。
  11. Recording female : i believe during this period of more than a dozen years, our economic has made giant strides with ideas on culture and self - cultivation up to transformation

    女錄音：我想因為畢竟88年、 98年這都十幾年的時間，那麼我們國家在這十幾年的時間當中，經濟上是突飛猛進的，我們的文化理念、文化素質都在演變當中。
  12. Viewing from the global tectonics, the authors dynamically described the dialectical relationships between extensions and compressions in time special 4 - d, and pointed out the different tectonic deformation systems corresponding to different tectonic dynamical environments. considering the geological evolution of sichuan basin, from nine aspects, the authors proved that the tectonic dynamical environments of sichuan basin, after its formation, has experienced the early extension, middle transition and late compression environments. correspondingly, as the paper suggests, a considerable attention need to be paid to the comprehensive studies of the early extensional structures, middle inversion structures and the late compression structures of sichuan basin when analyzing its tectonics

    從全球構造著眼，動態地從時間-空間四維闡述了拉張-擠壓構造動力學環境的辯證關系，指出了不同構造動力學環境對應于不同的構造變形系統。結合四川盆地地質演化歷程，從9個方面論證了四川盆地自其形成以來，構造動力學環境曾經歷了早期拉張中期過渡晚期擠壓的過程，相應地在對四川盆地進行構造分析時，要注意早期伸展構造中期反轉構造晚期擠壓構造的識別和綜合研究。
  13. There are three sections in this paper. the first section : we consider the initial boundary value problem on half line and bounded interval, with kato ' s method for abstract quasi - linear evolution equations and a prior estimates of. solution, we get the existence of global smooth solution and the blow - up of solution in finite time under some conditions

    第一部分：考慮了camassa ? holm方程在半無界和有界區域上的初邊值問題，用kato關于擬線性演化方程的初值問題的理論及先驗估計的方法，證明了整體解的存在性，及在一定條件下，解在有限時間內的blow ? up 。
  14. Evolution of stars of all masses takes place on a hydrodynamic time scale.

    各種質量的恆星的演化，均以流體力學的時間尺度進行。
  15. Make double use of waiting time, driving time, walking across campus time, or time when you ' re doing routine tasks : read, write letters, listen to lectures that you ' ve recorded, listen to notes and outlines you ' ve recorded, make schedules, do isometric exercises

    加倍利用等人、駕車、過校園及完成常規任務? ?閱讀、寫信、聽演講錄音、筆記和摘要錄音、制訂日程計劃、做化學異構練習? ?的時間。
  16. Xikuangshan type copper ore deposit named those fe - cu deposits hosted in yinmin formation, kunyang group, which located in kunyang rift valley and the edge of southwest yangzi platform. the best example is xikuangshan allotment, luoxue ore area, dongchuan, yunnan. the type deposit spread in south kunyang rift valley, include dongchuan, wuding - luoci, yuanjiang, yimen, huashengping, hongmenchang and so on

    稀礦山式銅礦是指賦存在昆陽群因民組地層中的銅鐵礦床，其大地構造背景屬于元古代裂谷帶，大陸裂谷是超大型銅等多金屬礦形成和分佈的有利環境，在裂谷下部常發育異常地幔和巖漿源，裂谷空間上的多層次性使礦床具有明顯垂向分帶特徵，其演化時間的長期性、脈動性和繼承性便於多期成礦作用相互疊加、礦質的高度聚集。
  17. Ordos basin is a polycyclic superposition basin that is formed in an earlier geological history and has experienced a longer evolution

    鄂爾多斯盆地是一個多旋迴疊合型盆地，其形成歷史早、演化時間長。
  18. Along with the constant discovery to superpressure reservoir in neogene deep formation of hanghua depression, the regularity study of oil and gas generation, migration and accumulation has been pay great attention by many researchers

    摘要烴源巖成烴演化時，除了溫度和時間的重要影響外，壓力在油氣生成演化過程中的作用也日益引起重視。
  19. This paper aims at optimizing time and space resources according to the characteristic of the timetable, it employs genetic algorithms which has rather good robust, at the same time, the genetic algorithm is slow in research, the paper adds the methods of automatic location conflicts and resolution conflicts to design the arrangement system of timetable

    根據課程表編排的特點並以優化時間和空間兩種資源為目標，採用魯棒性較好的遺傳演算法，並且針對遺傳演算法的搜索效率較低的問題，深入研究了各種優化演算法，加入了自動定位沖突、解決沖突的方法，設計了課程表編排系統。
  20. This paper has quantitatively analyzed its evolution features, especially the connection between urbanization and economic development as well as its regularity, from two angles of time - order of urbanization change, and connection between urbanization and economic development

    文章從城市化水平的變化時間序列、城市化水平提高與經濟發展的關聯性兩個角度，定量分析了其演化特徵，特別是與經濟發展的關系及其規律性，指出西安市城市化的效率在各時期不斷提升（結構彈性減小） ，集約化程度提高，城市化、非農化逐步走向合理。
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