極地生態系統 的英文怎麼說

中文拼音 [jídeshēngtàixìtǒng]
極地生態系統 英文
polar ecosystems
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 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
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 極地 : [地理學] polar region極地冰 [海洋學] polar ice; polar cap ice;極地冰川 [水文] polar glacier;極地...
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  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。
  2. Forest resource, looked as the most perfect ecosystem, is not only the most important natural resource of the people society but also the basis of the environment and development. forest resource plays a crucial role in maintaining the whole ecosphere ' s stabilization

    森林資源作為地球上最完善的生態系統，不僅是人類社會極其重要的自然資源，也是人類環境與發展的基礎，對維系整個地球生物圈的穩定性具有不可替代的決定性作用。
  3. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  4. The system also provides the dynamic interface of setting the automobile type displaying terminals in the mode of parameterization so as to add and delete monitors on line. it uses update mechanism of dynamic database to monitor system running. it applies message maps mechanism of vc which enables workers interact with system by keyboard

    系統採用了與多用戶windows2000系統應運而生的瘦客戶機/服務器體系架構，極大地增強了系統的集成性和可維護性；通過命令行參數提供設置車型顯示終端的動態介面，實現終端的在線添加和刪除；利用動態數據庫更新機制，實現對系統運行過程的動態監控；利用vc的消息映射機制，使操作者能夠通過鍵盤同系統進行交互。
  5. The resolution of optical system can not reach its diffraction limit because of the phase aberrations caused by atmospheric turbulence and other wavefront errors. adaptive optics technology uses deformable mirrors to perform dynamic phase modulation and endow optical system the ability to decrease the influence of dynamic wavefront errors

    大氣湍流等動態干擾使光波面相位發生畸變，使光學系統的解析度無法達到其衍射極限，而自適應光學系統使用變形鏡對光波面進行動態相位調制，賦予了光學系統能動可變的能力而有效地解決了動態干擾的問題。
  6. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的，論文的成果和結論主要包括： 1 ）通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種； 2 ）中試實驗確定粉末活性炭的較佳投加點為混合池投加，較佳投加量為10mg l ，此時可使濾后水的cod _ （ mn ）降低40 ，且可較好地控制濾后水的嗅味和色度； 3 ）初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內，投量增大時可吸附部分分子量大於6000的有機物4 ）中試實驗表明：粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果，且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用； 5 ）研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響：粉末活性炭的氧化改性會使其表面的酸性官能團大量增強，表面極性增加；經20的過氧化氫改性的活性炭在增大混凝劑投加量（ fecl _ 3投量為15mg l ）時對有機物的總體去除效果較原活性炭提高12 ， 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ； 6 ）研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響：經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ；負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力，一般可提高8左右。
  7. The oil spill off the coast of alaska has greatly upset the ecosystem there

    在阿拉斯加近海的原油泄漏極大地破壞了那裡的生態系統。
  8. On the reviews of researches on rural tourism around china and abroad, the spaciality of rural tourism was analysed from a new perspective of ecosystem and was thought to be of great significance in distinguishing relevant concepts and guiding the development planning of rural tourism

    文章在對國內外研究情況綜述的基礎上，從生態系統的新視角對鄉村旅遊空間地域性進行了探討，認為這對相關概念的辨析、指導鄉村旅遊發展規劃等有積極的意義。
  9. It is a important site, where " city life " will converge and citizens can enjoy the open space ; furthermore it is a window, through which strange people start to form their recognition of the city. still more, it is a significant section of " city characteristic " ; city open space extends outward, and outer natural open space organicly stretches into the inner city. open space at the city gate is extremely active section in the city eco - system

    城市門戶開敞空間是「城市生活」的重要匯集處，是人們享受開敞空間的重要地點；它也是人們開始一個城市認知的形象窗口，更是構成城市空間的景觀意象? ? 「城市特色」的重要部分；同時它又是城市開敞空間的外延，且城市外邊緣區的自然綠野在此有機地契入城市內部，是城市生態系統中極為活躍的結合點與重要生長點。
  10. Through the research of paleo - environment change and process with regard to east asia monsoon environment system, loess, karst, ice core, lakes, paleo - oceanography, the impact of human activities over terrestrial ecological system, and marine ecologic dynamics, they rebuild the natural environment evolution regularity of east asia, thus actively and effectively push forward the research of global change study

    通過東亞季風環境系統、黃土、巖溶、冰芯、湖泊、古海洋學和人類活動對陸地生態系統影響以及海洋生態動力學等方面，開展古環境變化和過程研究，重建了東亞自然環境演化規律，積極而卓有成效地推動了全球變化研究。
  11. Using rs can rapidly finish the ecological investigation in different scales and analysis the ecological environment information in different period that it " s difficulty with general investigation, with its characters of multiplatform, multiband, multitemporal and its macroscopic and integrality. and when collecting, saving, drawing, changing, showing and analyzing the huge spatial data, the cis act the very important function as a very effective computer tool

    遙感技術以其多平臺、多波段、多時相宏觀綜合的特點，能便捷地完成常規方法很難實現的大、中尺度的生態調查研究和進行不同時期的生態環境信息的對比分析；地理信息系統作為一個極為有效的計算機工具，則在收集、存儲、提取、轉換、顯示和分析這些容量龐大的空間數據時起到了非常重要的作用。
  12. In support of international polar year ， thewed themeselectedfor 2007focuses on the effects thatclimatechangeishaving on polar ecosystems and communities ， and the ensuing consequences aroundtheworld

    此主題作為對2007國際極地年的支持，重點集中在氣候變化對極地生態系統和社會的影響以及隨之接踵而至的對全球造成的各種後果。
  13. Abstract : urban green space system is a main type of urban landscape and plays an important role in maintaining and improving urban environment

    摘要:城市綠地系統是城市景觀的主要類型，在維持和改善城市生態環境中起著極為重要的作用。
  14. The design and application of multi - media in classroom instruction has a solid theoretical basis in terms of academic psychology, media - transmission, audio - visual theories, etc. the choice of educational media and teaching resources should be suitable to the teaching objectives and specific groups of students so that it can be reasonable, timely, appropriate, adaptable, systematic and effective. in this way, a new way of teaching chemistry in the secondary school, with its characteristics of being interactive between the teacher and students, of big content capacity, quick classroom tempo and effectiveness, is likely to improve the present teaching situation in china ' s secondary schools

    其設計與實施有著特定的學習心理學、傳播理論、視聽理論、系統科學理論等理論基礎，應根據教學目標和教學對象的特點，合理、適時、適量、靈活、有序、有效地使用各種教學媒體及教學資源，形成優化的媒體組合體系，各展所長，相輔相成，充分發揮多種媒體組合的最佳功能，與教師、學生形成多層次互動，以積極的態勢參與教學，努力形成大容量、快節奏、速反饋、高效率的課堂教學基本模式，從而實現課堂教學的最優化。
  15. It is possible for us to detect the relation among ecology, environment changes, climate variance and human activities by studying the penguin dropping sediment. the sediment core was collected from the shore on the ardley peninsula during the eighteenth china antarctic research expedition using a 12cm - diameter pvc pipe

    南極企鵝在某些地區是生態系統的主要影響因子，企鵝糞便沉積物記錄了上千年企鵝數量和分佈的變化規律，從而可以反映氣候、環境變化和環境污染、人類活動等因子對生態系統的影響。
  16. Especially the dotted like open space such as plaza, small greenbelt which are dispersed in interior space of each section is disposed diversely and overally through needing combining other interrelated element in urban space. on the base of establishing relationship among structural elements such as urban street, block, the integrated form of the dotted like open space at each lay on space structure is builded, and be given full scope of whole teamwork. in addition, in the process of studing on urban space structure, social effect and social meaning of exterior public space should be payed attention, the way of the layout of the organic integrating the open space in form of dot with intor structure of the urban should be searched for and the social effect of this space should be exerted actively. on the other side, as the city is a organism, it is a process of continuous succession, so it is necessary to integral the dotted like open space with the dynamic process of the evolvement of the city to make a useful control and intrudction of the development of the city

    對開放空間的開發與設計，是提高城市空間環境質量的重要環節，應將其放在城市整體空間中，給予全面系統的分析與研究；特別是諸如廣場、小型綠地等分散於各區段空間內部的「點」狀形態的開放空間，更需要結合城市空間中的其他相關要素，對其進行更加全面的多樣化配置；在建立與城市道路、區域等其它結構要素的關系的基礎上，建構「點」狀開放空間在各層級空間結構上的整體形態，發揮「點」狀開放空間的整體協同作用；此外，在研究城市空間結構的過程中，注重該外部公共空間的社會效應和社會意義，探求「點」狀開放空間與城市內在結構有機結合的布局方法，發揮該空間場所積極的社會作用；再則，由於城市空間是一個有機體，其發展是一個不斷生長演替的過程，所以需要將「點」狀開放空間的布局結合城市空間演變的動態過程，對城市空間發展進行有效的控制與引導。
  17. Besides hampering the living of hunters there, thinning sea ice along greenland ' s fringes is threatening to capsize an entire ecosystem dependent on the ice : including seals, walruses, and polar bears

    格陵蘭島外周的海冰日漸減少，這不但影響到了當地獵人的生活，也給依靠海冰生活的海豹，海象和北極熊等整個生態系統造成了威脅。
  18. High economic development in coastal areas has greatly changed the ecological environment and even ecosystems along the coastal zone, resulted in serious eutrophycation in coastal seas

    沿海經濟的快速發展極大地改變了海岸帶的生態環境甚至生態系統，導致近海海域嚴重富營養化。
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