適應變態 的英文怎麼說

中文拼音 [shìyīngbiàntài]
適應變態 英文
adaptation modification
  • : 形容詞1 (適合) fit; suitable; proper 2 (恰好) right; opportune 3 (舒服) comfortable; well Ⅱ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 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
  • 適應 : suit; adapt; get with it; fit
  1. 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地改群體規模,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,使神經網路的用受到一定的限制。
  2. After molting three times, the zoea enter the mysis stage during which they begin to look more like adult shrimp and swim in a characteristic fashion with head and tail pointed downwards at right angles and occasionally performing a sudden retrograde jumping action. this is known as the inversion state, the fry being suspended upside - down in the upper middle region of the pond water. this is, therefore, also called the " inverted suspension phase "

    眼幼蟲脫第三次即進入糠蝦期幼蟲期mysis stage ,此期之體形已略成蝦之狀,且具特有之游泳姿,即頭部及尾部均向下,成一直角彎曲而時作向後跳躍游動,又因成倒立狀,懸浮於水中的中上層,又叫倒吊期,此期幼蟲對外界的環境因素,如水溫鹽分等化,比前兩期來得更具力,主要餌料為豐年蝦brine shrimp的幼蟲,但其他大小略同的動物性浮游生物,如橈腳類copepoda輪蟲類rotifera均可。
  3. Part ii ultra - structure changes of the compound eyes of miers in different light adaptation. after 12 hours dark adaptation, photoreceptors of miers were stimulated with different wavelength light

    雖然光感受器處於一個穩定的,但是在一晝夜中光感受器有著自己的節律化。
  4. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為生學研究材料:第一,攀緣植物由於受攀緣能力和支柱木資源的限制,在生長過程中通常要遇到強烈化的環境條件(特別是光照) ;第二,攀緣植物中具有較高比例的雌雄異株類型,通常佔地區攀緣植物種類的30 40左右,不同性別的植物在形學及生物學特性、經濟價值等方面存在一定的差距,因此,本文以雌雄異株攀緣植物栝樓( trchosahtheskirilowiimaxim ) (葫蘆科多年生草質藤本植物)和山藥( dioscoreaoppositathunb ) (薯蕷科薯蕷屬植物) 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical ( l ) roem ] (葫蘆科一年生攀緣草本植物)為材料,試圖從生理生學及生殖生學角度揭示攀援植物如何不同生境及其機理。
  5. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動模型,它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。
  6. This paper analyzes the factors affecting the controlling precision of sand compactibility system and sets up the dynamic model of regression coefficient between sand compactibility and water content. to prevent the insufficiency or excess of sand water content, the amount of the first addition is set as 80 % of the total water addition amount. after the first water addition, we adopt ar model to predict the stable value of sand compactibility to shorten the time mixing the sand. each time we add water, the correction coefficient is introduced to adapt to the change in the composition of sand. the experiment shows that the mathematics model not only makes the water content in sand reach the best range within shorter time, but also directs how the sand composition should be adjusted, which can better conform to the actual situation

    分析了影響型砂緊實率控制精度的因素,建立了型砂緊實率-水分回歸系數的動模型.為防止型砂水分不足或過量,將第一次加水量設定為總加水量的80 .第一次加水后,對型砂緊實率穩定值採用ar模型進行預測,以縮短型砂混制時間.每次加水后,引入修正系數,以型砂組成的化.實驗表明,該數學模型不僅使型砂水分含量在較短時間內達到最佳范圍,同時可指示對型砂組成進行調整,能較好地符合實際情況
  7. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動到株高,土壤水分化,抗病蟲害、抗倒伏能力,稻田土溫化,產量構成因素及稻米品質等諸多方面進行動比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中用的性,通過分析水稻控制灌溉淋洗條件下水稻生理生指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  8. Gathering fuzzy technique and model - identifying technique to processing research, fuzzy model - identifying technique, a intersecting science, has been come out, which has become hoto in this thesis, based on deeply researching the fuzzy unit - identifying and complete analysis on data of measuring well of the chandqing wushenqi district, the method of constructing self - adapting multi - dimension non - liner subjection degree function has been created without precedento based on the extraction of routine measuring well character parameters, and for adopting self - adapting method to carry through character compression, the model has been improved the performance and enhanced the convergence speed and sorted precision of the algorithm o the relation of measuring well information and the oiliness & gassiness of sandstones is fuzzy ? in the thesis, the law of max subjection degree has been studied and improved, and proved preferable effect in the practical application

    論文在提取一些常規測井特徵參數的基礎上,採用自方法對各量多項式進行優選,減少了特徵參數間的相關性,突出了類別間的差異性,從而優化了模式的質量,提高了分類的精度。測井信息和砂體的儲集性之間的關系是帶有模糊性的,論文對模糊「最大隸屬原則」進行了研究和改進,並在實際用中取得了較好的效果。論文成功研製了「自」的演算法和軟體? ?即通過對正確回判率的比較,然後對參數進行調節的辦法,可將模式「訓練」到最佳狀
  9. During the dark adaptation the result contrasted on that of light adaptation. the result showed that different light adaptation influent the ultrastructure of the photoreceptor

    研究結果表明:在不同的光下,斑節對蝦的光感受器的超微結構發生了化,從而影響其生理功能。
  10. Flexibility. the capacity to be strong yet pliant - adaptable to changing conditions

    靈活.度剛中帶柔- -隨時情況的改
  11. From this point, this study frees from the traditional limit which focuses on adult plant only, putting the stress on studying the dynamic adaptive change of the structure and function of the sprout

    本研究以此為出發點,擺脫傳統的對旱生植物成株研究的局限,側重研究旱生植物自種子萌發開始后約60天內的幼苗結構、功能的動化。
  12. ( 2 ) based on the review and analysis of typical object detection methods, especially the temporal difference, a moving objects detection algorithm based on three frame difference is proposed. this algorithm employs many new technologies, such as adaptive frame interval, half - pixel global motion estimation and compensation, adaptive change detection and object repair, therefore it is very practical

    2 .在總結常用運動目標檢測方法,並詳細討論時間差分法的基礎上,針對實地拍攝的紅外圖像序列,提出了一種基於三幀差分的運動目標檢測演算法,該演算法採用自幀間隔、半象素全局運動估計與補償、自化區域檢測、抗噪聲形學處理和目標修復等一系列新技術,具有很強的實用性。
  13. The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics - like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic ; the empirio - equations of soil water retention curve including temperature and the empirio - equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better

    本文以水熱耦合效為主題,基於研究對象的動化特徵,用化學動力學原理,建立了含水、熱因子以及水熱耦合效的土壤水分蒸發、肥料氨揮發動力學方程,以及施入土壤中的尿素轉化為銨氮的動力學型方程;為使水勢?含水量關系式更好溫條件用的要求,建立了含溫度因子直接表徵土壤持水曲線的經驗方程,以及含溫度因子的穀苗葉水勢與土壤含水量關系經驗方程。
  14. Though the photoreceptor was in a steady adaptation, its ultrastructure of the rhabdom was smaller at noon than that in night. the changes of the ultrastructures, such as visicule and lamellar body in the cytoplasm, were large than the structures at dawn and at dusk

    在同一種中,中午和夜晚時的小網膜感桿束的體積較小,相的細胞器結構如胞質中的空泡、板膜體等與黎明和傍晚時的結構相比化較大。
  15. Furthermore, a new elastic matching algorithm is designed with the combination of shape blending, which is based on physical elastic model, and a distinct improvement of performance is achieved. chapter 4 is mainly focused on recognition approaches using hidden markov model. firstly, the general concepts and algorithms of hidden markov model are described, and then, a new model called ddbhmm is discussed and compared with the classic model in detail

    文中首先介紹了一種自校正技術,隨后討論了彈性匹配中的一些基本演算法及存在的問題,並在此基礎上研究了一種新的彈性匹配演算法,其主要特點是在匹配演算法中引入了一種基於物理模型的形度量,能夠有效地改善原有演算法的性能。
  16. L. the paper studies the theory to detect damage of bridges, and compares many sensitive parameters to detect bridge damage through correlative literature all over the world, finally concludes it suitable that bridge damage is detected by strain mode parameters. the strain mode parameters satisfy four foundstiona. l conditions as follows : ? hey are sensitive to sectional damage and they are monotone function of structure damage. @ they have determinate location coordinate

    論文通過對國內外橋梁損傷檢測方面的文獻資料研究,探討了識別橋梁損傷的基本理論,比較了多種結構損傷敏感參數識別橋梁損傷的優缺點,最後確定用參數識別橋梁結構損傷較為合是對損傷敏感的參數,滿足四個基本條件:對局部損傷敏感,且為結構損傷的單調函數;具有明確的位置坐標;在損傷位置,差曲線出現明顯的峰值化;在非損傷位置,差曲線的化幅度小於預先設定的閾值。
  17. In our country, with the establishment and improvement of our socialist market - oriented economic structure and further transformation of government functions, our non - government organizations ( ngos ) are faced with unprecedented development opportunities as well as tough challenges. it is a very important issue on how to define the roles of ngos in economic and social development so as to fully exercise its functions in current and coming period. nowadays, our society is in the transformation stage when original planned, comprehensive and single social management methods cannot meet the demands of times. and it is being replaced by a coordinated social management mode made up with the government the market and the society all - in one method

    隨著我國社會主義市場經濟體制的建立和完善,政府職能的進一步轉,我國非政府組織面臨前所未有的發展機遇,同時也面臨艱巨的挑戰。如何在經濟、社會的發展中明確非政府組織的角色,充分發揮其職能作用是我國當前乃至今後一段時期面對的非常重要的問題。當前,我國社會正處于轉型期,原有計劃的、全能的、單一的社會治理方式已不的發展,取而代之的是政府、市場、社會三位一體相互協調、相互配合的社會管理模式。
  18. Meanwhile, the projects to realize the function of each module are discussed. the shortest route choice algorithm is an important research in drgs, in order to satisfy the real - time request of the drgs and achieve the quick and right guidance, the advantage and disadvantage of shortest route choice algorithm are discussed. the ordered genetic algorithm for shortest route choice is given in this paper, the corresponding selection, crossover and mutation operator are given

    同時,為了路徑誘導系統的實時性和全局尋優要求,實現快速而準確的路徑誘導功能,本文首先詳細討論各種最優路徑選擇演算法的優缺點及用發展現狀,提出採用有序實數編碼的遺傳演算法進行最優路徑計算,並根據交通路網的特性設計了有序實數編碼遺傳演算法的選擇、交叉和異運算元,並用c語言實現了該演算法。
  19. This network can be summarized as follows : ( 1 ) about the networks " architecture, it is not fully connected but it uses selective connection between the units of two hidden layers. the number of these units is determined dynamically. ( 2 ) during the learning procedure, a new input - output clustering ( ioc ) method is adopted to select centers

    該網路主要有以下特點: ( 1 )網路結構上,兩層隱層選擇性連接,隱層節點數在學習過程中動確定; ( 2 )學習規則上,提出一種同時考慮輸入輸出樣本信息的輸入一輸出聚類( input - outputclustering , ioc )方法,且聚類中心的形狀參數自化。
  20. The proposed algorithms have good performances. some improvement on the gvf snake algorithm is presented to solve the problem of gvf snake ' s inability to converge to the rough contour of the brain. a variable vector field is designed and the constraint parameters of the gvf field is made adaptable to the target object features

    本文的研究工作主要包括以下幾個方面:針對gvfsnake演算法提取腦輪廓時不能很好的收斂于光滑性差的腦輪廓的問題,對gvfsnake演算法進行了改進,構建了一動化矢量場,把gvf場的約束權值設為隨目標特徵自化,從而提出了一種新的演算法,稱之為agvf ( adaptablegradientvectorflow ) snake 。
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