自發演替 的英文怎麼說

中文拼音 [zìfāyǎntì]
自發演替 英文
autegenic succession
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 發 : 名詞（頭發） hair
  • 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;...
  • 替 : Ⅰ動詞1 （代替） replace; substitute for; supply [take] the place of 2 [書面語] （衰敗） decline Ⅱ...
  • 自發 : spontaneous
  1. Virtual reality technology can provide " participants " with a feeling of being personally on the scene. as a main actor in the virtual environment, userscan control any objects in the virtual environment arbitrarily and can get reaction in time. in the hyperspace of the information, he can get acknowledge with their own percipience and cognition, and, seek the solutin, and form the new conception. the association of the virtual reality technology and java technology intensify the interaction between the users and viryual reality technology. with the interface provided by java, the user can control any objecs and change the attributes ( such as position, angle, color and etc. ). this paper formulizes application of the virtual reality technology in the system of the building seilling which uses the real three dimensions models to replace of static picture ' s and word ' s description. in the process of the practice, the paper analyses the difference between javascript, java claa and java applet, and formulize the their applications in this system

    用戶在多維信息空間中，依靠自己的感知和認知能力全方位地獲取知識，發揮主觀能動性，尋求解答，形成新的概念。虛擬現實技術與java技術的結合增加了虛擬現實技術與用戶的交互功能，用戶可以通過java提供的界面，操縱場景中的任何物體，並改變相應的屬性（如：位置，角度，顏色等等） 。本篇論文闡述了虛擬現實技術應用在售樓系統中，用真實的三維模型來代替原有的靜態圖片及文字描述，在實踐過程中，分析了javascript ， java類，及javaapplet實現功能中的利弊，分別闡述了它們在本系統中的應用，從理論上講，本課題所研究的虛擬現實技術不只適用於售樓系統的電子商務中，同樣可用於軍事和演習、醫學、教育、娛樂和工程設計等領域。
  2. The reason the film industry started in these cities is because there were plenty of trained professionals ( acrobats, dancers, actors, and stagehands ) from vaudeville, the performing arts theater that was popular at the turn of the century

    影片工業在這些城市發源的原因在於，它們擁有許多來自輕歌舞劇且受過訓練的專業人員（特技人員、舞者、演員及舞臺工作人員） ，這是世紀交替時，廣為流傳的一種表演藝術劇場。
  3. Ecologic process of the wash lands by debris flows in mountain region is very complex and variety, and is a specific catastrophe - ecologic phenomenon in mountain region. plant growth of the wash lands of debris flow sdistributed in high altitude area shows a natural restorative proccss. it is found that plant growth process and community feature in the wash lands of debris flow can bring to light of the time of debris flow formation in the last hundred years and to the succession law of natural vegetation ecosystem through study in the catastrophc - ecologic phenomena and the ecologic process in wash lands of debris flow in the huangbenliu gully of the east slope of gongga mountain. the research result for this region also shows that study of the catastrophe - ecologic phenomena of debris flow can promote scientific infiltration between the ecology and the catastrophology, and has important theoretical and practical significances

    山區泥石流發生后的泥石流灘地呈現復雜多樣的生態過程，是山區所特有的一種災害生態現象.在人煙稀少的較高海拔，泥石流灘地植物生長表現為一種自然恢復過程.通過貢嘎山東坡高海拔黃崩溜溝泥石流灘地上發生的災害生態現象和過程的實地研究，發現泥石流灘地植物的生態過程和群落特徵，可以揭示近代泥石流的形成時間和自然植被生態系統的演替規律.研究表明，加強泥石災害生態現象的研究，可以促進災害學與生態學科的滲透，具有重要的理論和實踐意義
  4. According to the sample area survey ; there are 120 species of plants belonging to 84 gener 47families in the 25 - year - old chinese fir plantation community which will succeed toward the direction simi - ler to the community type before the felling of evergreen broadleaved forest if it is let to develop naturally or the logging residues are not burnt after the felling of the chinese fir plantation due to the superiority of cas - tanopsis carlesii and schima superba in the aspling layer in it

    據樣地調查，該25年生杉木人工林群落的植物有41科84屬120種，群落的外貌特徵以包括藤本在內的高位芽占絕對優勢，葉特徵以革質，單葉，中小型葉為主，由於該群落的幼樹層以米儲和木荷等占優勢，若讓其自然發展或杉木林採伐后不煉山，並排除其它人為干擾，該群落將向與常綠闊葉林採伐前的群落類型相似的方向演替。
  5. Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers

    發展了「土壤水分背景」的概念，並以之為基礎對其各個方面進行了研究，使之形成一個相對獨立和完整的體系，主要包括黃土高原土壤水分的背景值、土壤水分背景的區域分異、坡面分異、鑲嵌結構及其季節分異等： （ 1 ）由於植被生長發展、演替的基礎階段是天然草被群落，故認為黃土高原的土壤水分背景在概念上是特指該區天然草被群落下的土壤水分狀況； （ 2 ）黃土高原的土壤水分背景值，根據植被地帶的不同表現出自南向北逐漸降低的規律：森林地帶3米以下土層水分背景值普遍穩定地高於12 ，森林草原地帶4米以下土層水分背景值穩定大於6 ，且均隨土層的加深水分含量逐漸增加，而草原帶的土壤水分背景值自土表至底土層一直在4 6之間徘徊。
  6. After two years, it did n ' t develop further. s. viciifolia has a balance with rainfall. 5

    狼牙刺與降水處於一種平衡狀態，並按其固有的自然規律演替和發展。
  7. Accordingly, the dune deposits of the section since 150 ka bp can be divided into 38 alternate evolvement processes of desert and inter - desert periods, which accord with the sedimentary cycles of the section. it is further suggested from now climate in the area that the 38 inter - succession processes of dune deposits and fluvio - lacustrine or palaeosols in past 150 ka actually result from the alternate evolvement of the ancient east asia winter and summer monsoons in the mu us desert during the long geologic times

    從這一認識出發，將米浪溝灣剖面150ka以來的砂丘堆積劃分為38個旋迴的沙漠期與間沙漠期交替演化過程，並認為，該剖面自那時以來發生的38個砂丘沉積與河湖相或古土壤的演替過程，實際上是這一長期地質時代毛烏素沙漠受東亞冬夏古代季風影響交替演化所致。
  8. The main focus concentrates on the two most time consuming arithmetic in finite field calculation, field inversion and field multiplication. by analyzing in detail the performance of algorithms in composition fields, we have drawn a conclusion that the time consuming of square is less than that of multiplication with itself

    在對復合域中的演算法進行詳細分析后發現，多項式平方運算比元素自乘有更好的時間特性，因此盡可能地用平方運算替代自乘運算是在復合域中進行演算法優化的主要手段。
  9. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  10. A stage in ecological development in which a community of organisms, especially plants, is stable and capable of perpetuating itself

    頂極群落，演替頂極生態發展的一個階段，在此階段一群有機體（尤指植物）能保持自身的穩定及永存
  11. Thirdly, its development orbit has been studied. at last the concluding part of the dissertation outlines the strategic countermeasures of promoting agricultural natural resources sustainable use in pylr through standardizing mankind ' s activities

    第三部分，探討湖區農業自然資源利用的演變軌跡，力求通過規范人的社會經濟活動，尋求發展周期內的進展演替與發展周期間的永續躍升相統一的可持續發展。
  12. The higher landscape heterogeneity, the closer to nature secondary forest. along the gradient, landscape congregation index exhibits descendent tendency, showing a significant relationship between the extent of patch mosaic and the extent of disturbance, according to changes of landscape mean shape index ( lmsi ) and landscape mean fractal dimension index, integrated disturbance ( nature disturbance, human activities, vegetational inner succession or population dynamics ) tend to enhance

    景觀聚集度指數是隨著梯度區呈下降的變化趨勢，表明斑塊之間的鑲嵌聯系的程度與受到的干擾程度有極為重要的關系。從景觀平均形狀指數和景觀平均分維數的變化，可看出綜合干擾（自然干擾、人為活動、植被的內源演替或種群的動態變化）是呈增強的發展趨勢。
  13. The author of this thesis tempt from the analysis of the concept of the portrait and the portraiture right and combine these with the general theories of the civil law and copyright law to set out a conclusion that the actor as one part of the public, what ever in life or in the works of film and tv possesses the portraiture right, and should get the same judicatory protection as other people. this thesis is divided into four parts totally. the first part, the concept of personality, personality right and the concept of portrait and portraiture right, the purpose and significance of the judicial protection on portraiture right

    為此，本文從影視表演藝術理論出發，論述了演員在影視作品中所處的不可替代的重要地位，並從演員在影視作品中的角色與自身、人格權與身份權的關系論述了演員角色不能覆蓋其自身，演員在影視作品中雖然沒有身份權，但仍享有人格權，為此，只要演員在影視作品中是以本來面目面對觀眾，符合肖像的法律特徵，就享有肖像權。
  14. In order to help algorithm jump out of local max, simulating ant searching food strategy has been brought forward. it is designed based on ant ' s searching food behavior. its core is when algorithm enters into local max, put individuals to cross with idle individuals and replace those by spared individuals which do n ' t have cross with idle individuals

    為使演算法在陷入局部極優后能自動跳出，提出了模擬螞蟻覓食的執行策略，這種策略是模擬螞蟻覓食中不斷調整不斷轉移目標而啟發設計的，要點是在演算法進入局部極優后不再執行原有的交叉操作，而是與游蕩個體相交叉，未得到交叉的個體則以後備個體相替換。
  15. In 1996, it was listed in the main plan of science and technique spread by nstc

    自然植物資源遭到前所未有的掠奪式開發利用，地球植被在加速發生衰退性演替。
  16. The further analyses indicate that anti - erosive vegetation should be natural well developed or near natural, and it would be different not only in structure, but also in succession, management, etc., from artificial vegetation taking economical value as only a target

    進一步的分析表明防蝕植被就是發育良好的自然植被或者接近自然的人工植被，與純粹追求經濟目標的人工植被相比，不僅在結構上，而且在演替、經營等方面是不同的。
  17. Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability

    高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心，採用了一種相角實時測量的新演算法，並在此基礎上計算出了功率因數、有功和無功，減少了運算量提高了精度；在分析了各種無功補償控制策略的基礎上，以母線電壓和無功功率復合判據控制投切，並提出一種改進的電容器投切方式? ?暫態投切控制晶閘管過零觸發，避免了電容器投切時的電流沖擊；穩態運行時接觸器替代晶閘管，實現無功補償的自動跟蹤和電容器的自動投切，解決了投切時的暫態電流沖擊和穩態時可靠運行的難題；控制器的原始運行參數採用flash自編程技術，將其保存在msp430f149片內的信息flash中，簡化了硬體電路，大大提高了系統的可靠性。
  18. After about ten years, due to natural succession and anthropogenic disturbance, the spatial pattern of the landscape in this area has changed greatly

    然而十幾年之後，在人為干擾和自然演替的作用下，這種異質的鑲嵌體格局已經發生了明顯的變化。
  19. ( 1 ) as a whole, the qualities of the urban human settlements construction in lanzhou becomes better than ever, but the development of the nature subsystem, the construction subsystem, the supporting subsystem and the society subsystem are not in harmony, and the average advance speed of the four subsystems can be described that the supporting subsystem is quicker than the society subsystem, the society subsystem is quicker than construction subsystem and the construction subsystem is quicker than the nature subsystem

    利用蘭州市區過去1990 ? 2002年城市建設等方面的統計數據，對13年蘭州城市人居環境建設質量，在時間序列上進行了趨勢評價，並得出了以下一些主要的結論： （ 1 ）蘭州城市人居環境建設質量正向著高級化的方向演替。自然子系統、建築子系統、支撐子系統和社會子系統的發展嚴重的不協調，四大子系統平均提升速度表現為：支撐子系統社會子系統建築子系統自然子系統。
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