等效示象 的英文怎麼說
中文拼音 [děngxiàoshìxiàng]
等效示象
英文
equivalent aspect-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。Based on the trade and management characters of the architectural. reconnaissance design enterprises, this articie seiects the cnbdrl ( china northwestern building design research lnstitution ) as the research object, anaiyzes and evaluates its performances systemicaliy, opens out the immanent reasons of its being probiems, results int this enterprise is goodish in coliectivity ; but its organizational structure is aging and irrationai, its personnei disposal is aiso irrationali if q finqnngn iq iqnk nf pffpntivl is n ' t wholesome ; its encouraging manner is simplex ; its innovative capability of the core competence is not enough ;. . moreover, this article separately gives the corresponding countermeasures and resolvents
本文根據建築勘察設計企業的行業特徵及管理特徵，以中建西北院為研究對象，對其績效進行了系統的分析與評價，揭示出其存在問題的內在原因，得出了總體評價結論：該企業總體情況尚屬良好，仍存在組織結構老化，組織機構、人員配置不盡合理，財務缺乏有效控制，激勵機制不健全，激勵方式單一以及核心競爭力的創新能力不夠等缺乏科學管理經驗的問題；並針對上述結論分別給出了相應的對策和解決辦法。This paper put forward a method, which is used to identify the blow - off point of shock absorber valve system, based on the damping - displacement characteristic test of shock absorber, conversation of energy and equivalent damping coefficient
摘要以減振器示功特性試驗為基礎，以能量守恆為依據，提出一種以等效阻尼系數為對象的識別減振器閥系開閥點的方法。An empirical analysis is made with the population data of the us cities to verify the theory and models developed in this paper, which will contribute to reconcile the apparent difference between the hierarchical step - like frequency distribution of city sizes suggested by central place theory and the smooth curve reflected by the work on the rank - size rule
多重zipf維數模型不僅可以有效地統一中心地的等級階梯與位序-規模法則反映的連續分佈，而且可以揭示城市體系演化的更多信息和隱含法則。以美國城市體系1998年的數據為實證對象，給出了城市規模分佈的多分維On the other hand, the research of " forests and water " is from the aspects of the eco - hydrological models of forest ecosystem from, the viewpoint of forest ecosystem and combining with the research on forest structure, function, productivity, energy and material circulation, to explore the laws and internal relation of various forest hydrological phenomenon is the basic topic of research
另一方面在祁連山水源林生態系統長期定位研究的基礎上，以祁連山青海雲杉為代表運用森林生態學、森林水文學、生態經濟學、生態水文學等學科理論，通過建立單一因子的水文環境因子模型研究森林水文效應；從生態系統觀點出發，結合森林的結構和功能以及生產力和系統能量及物質循環的研究，揭示各種森林水文現象發生和發展的規律及其內在聯系。The algorithm has many advantages such as the input format and output format being uniformed, high efficient, wide application, etc. it has abroad market values in many domains, such as the weather character demonstration, computing and the demonstration of anomalous graphics, etc. we know that curves can be approached by mini line - segments, so the boolean operations between almost all regions can be implemented by this algorithm
本演算法具有輸入、輸出數據格式統一、效率高、應用面廣等優點。在實現天氣氣象圖的演示、各種不規則圖形的顯示和計算等領域具有很廣闊的市場前景。由於曲線邊界可以由小線段組成的多邊形來逼近，所以通過本演算法，我們還可以實現任何邊界區域間的布爾操作。The essay, based on mental counseling towards champion candidates attending the 10th national games, presents a set of mental training programs constructed. scheduled behavior models, initiative suggestion, imaginary training and cognitive correction are integrated and intervened reasonably in each training phase, therefore improving athletes ' mental state and quality well - prepared for the national games
在對十運會重點參賽運動員進行心理咨詢基礎上，此研究建構了一整套科學化的心理訓練方案，其中在賽前不同階段將程序化參賽模式、積極性自我暗示、表象訓練和認知調整等心理訓練方法進行合理組合併對運動員進行系統干預，卓見成效，顯著改善了運動員的賽前心理狀態，提高了運動員的心理素質，為她們在十運會奪冠提供了可靠保障。Indicates whether the specified object is equivalent to the
指示指定對象是否等效于Converts the string representation of the name or numeric value of one or more enumerated constants to an equivalent enumerated object
將一個或多個枚舉常數的名稱或數字值的字元串表示轉換成等效的枚舉對象。But due to the difficulties of the theoretical calculation and the limitation of the technique of image display, only some two - dimensional graphs of electromagnetic field of a planar set of point charges or symmetrically and uniformly charged bodies, which ignores the boundary effect, are introduced in the present electromagnetics teaching materials, which brings much incovenience for the acquaintance of the electrostatic field
然而，由於受理論計算和圖象顯示技術等因素的限制，目前的電磁學教材中，通常只能給出平面分佈的點電荷系或具有較強對稱性、忽略邊界效應的帶電體的電力線和等勢線的二維平面圖，這給靜電場分佈的感性認識帶來了一定不便。The study on the development model of agricultural science and technology park : make a comprehensive survey of the agricultural science and technology park development, statistical data on the agricultural science and technology park in the year of 2002 was applied to do macro analysis, with the result of development problems and propose the settlement. this study is conducted based on typical case study and theoretical analysis from the aspects of growing background, overall effect, operating model and the driving force in four national agricultural science and technology parks : shandong vegetables demonstrating park, henan xuchang national park, gansu dingxi park and beijing shunyi three - hi agricultural pilot model area. then analyse and sum up the general laws and different points. the creative research of this paper lines in raising the new theory of sci - tech agricultural industry organization for the first time, build up the theory analysis framework for agricultural science and technology park ; according to the theory analysis framework, sum up the development general model from choosing the national agricultural park in typical region ; build up th
運用典型案例剖析與理論分析總結相結合的方法，分區域按照發展成效在全國范圍內選取山東壽光蔬菜高科技示範園、河南許昌農業科技園區、甘肅定西旱作生態型農業科技園區和北京順義三高農業示範區，從園區的成長背景、建設發展的總體成效、運作模式和園區發展的動力等幾個方面對農業科技園區的發展進行了深入研究，並對園區發展模式的共性規律和差異之處進行了分析歸納；本文創造性的研究在於：首次提出了科技農業產業組織理論，構建了農業科技園區理論分析框架；根據這一理論分析框架，通過選取典型區域的國家農業科技園區進行實證研究，總結歸納了園區發展模式共同特徵並進行了差異分析；首次提出了適用於不同評價對象和評價意圖的三套國家農業科技園區評價指標體系，並創造性運用多元統計分析方法和系統分析方法對國家農業科技園區進行綜合評價。Hence analysis and design of nonlinear sampled - data systems has been, in recent years, a subject of growing interest in the international community of control research. when a continuous - time plant is controlled using a digitally implemented controller, it is often faced that a continuous - time plant is transformed into its equivalent discrete - time model. a digital controller is usually designed on the base of approximate discrete - time models of the continuous - time nonlinear systems because it is difficult to obtain the closed form of the exact discrete - time model for nonlinear control systems
利用計算機等一類離散控制裝置來控制連續時間的受控對象時，都會遇到把連續時間系統化為等價的離散時間系統的問題，通過采樣器和保持器來實現離散時間的采樣控制，對于非線性連續受控系統，由於連續系統的時間離散化后一般得不到其等價的精確離散化模型表示的有限形式，實際上由其近似離散化模型代替來設計控制器，而近似會引起信號失真，那麼基於近似離散化模型上設計的采樣控制器，它是否同樣對原連續受控系統有效There are lots of non - linear systems in the nature. because classical and morden control methods have common limitation : mathematical model of the plant has to be known in advance. but in fact many plants are intricate uncentaintied and time - varying. in addition, they also are non - linear. though there are methods of system identification in control theories, the identification theories and ways of non - linear and time - varying system are not mature and systematic. it is very difficult to carry out effective real - time control. the neural networks can approximate random non - linear relations and study by itself, and it provides new thoughts and new ways for solving these problems
由於經典和現代控制方法存在一個共同的局限性：就是要求預先知道被控對象的數學模型，但實際上許多對象具有復雜的不確定性和時變性；此外還具有復雜的非線性。雖然在控制理論中有系統辨識的手段，但是對于非線性時變系統尚無成熟的和系統的辨識理論與方法，要實行有效的實時控制就很難了。人工神經元網路有表示任意非線性關系和自學習等能力，給解決這些問題提供了新思想和新方法。It adopts 60w radio frequency laser producer and cti mirror system imported from america. the electric scissor lift table realizes precise control of focus. infrared ray - demonstrating aiming device can position the marked object more conveniently. it is a comparatively high - quality marking machine, characterized by its high efficiency and convenience, zero materials, zero pollution, and zero poison. applied fields : marking of many non - metal materials, such as cloth, leather, acrylics, wood, paper, pacage of food, electronics, and medicine, etc
該機使用美國進口60w射頻激光器和cti振鏡系統，電動升降平臺平實現焦距精確控制，用紅光指示結準器，更方便打標對象的定位，具有高效便捷無需耗材，無毒無污染等特點，是一款性價比較高的標記設備。In the laboratory experiment part, human peripheral blood, cultured cells and icr mice were study objects. the changes of mitotic chromosome numbers were measured by human metaphase chromosome counts and statistic analyzed used x2 - test. the changes of meiotic chromosome numbers were measured by mice one - cell zygote chromosome counts and statistic analyzed usedx2 - test. the effects of low dose ionizing radiation on the expression of topoisomerase ii were measured by immunocytochemistry, western blot and rt - pcr
流行病學結果顯示長期小劑量輻射接觸與染色體不分離呈正相關，為進一步在細胞遺傳學和分子生物學方面研究小劑量電離輻射與染色體不分離關系及其機制，本課題第二部分以外周血、培養細胞、 icr小鼠為研究對象，用外周血染色體計數和單細胞受精卵染色體計數的方法研究小劑量輻射和拓撲異構酶復旦大學2000級博士生學位論文11a抑制劑及其二者的協同效應對有絲分裂和減數分裂染色體不分離的影響，用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電離輻射引起拓撲異構酶a表達變化。The system will display the gate status, the thunder status and fire signal status. it allows the management clearly receiving running status of all facilities and subsystems in the central control room. the system graphically displays the alarm position, informs management by phonetic alarm and provides relevant disposal method for the management, which reduce cost of undesired contingency
虹口稅務局基於節能和高效管理的考慮，在夜間，如果雙鑒探頭檢測到有人活動，則自動控制燈光開啟與關閉，同時聯動視頻進行錄像，並在界面上實時反映門的開關狀態防雷的狀態消防信號的狀態等，讓機房管理人員通過機房監控系統統能夠全面地了解機房內所有設備和子系統的運行狀態，並形象地顯示報警發生的位置，進行語音提示，同時提示相應報警的處理方法，將損失減少到最小。To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented
避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象，研究了連續體結構拓撲優化過程的拓撲分析方法，以及在計算機上實現的簡便演算法.根據代數拓撲理論，單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念，在計算機上實現了結構的拓撲描述及拓撲運算，得到了結構在拓撲演化過程中的拓撲特性，方法簡單、可靠.在一定的拓撲約束下，根據應力分析結果，採用刪除單元、單元退化、移動節點等方法，可以用較少單元得到更為滿意的結果，提高計算效率.為演示方法的有效性，給出幾個包括常見經典問題的解答The research on the incentive mechanism, whose difficulty and stress focuses on the design of the compensation mechanism, includes the proportion of the salary, bonus, stock option and selection of the target of firm performance, etc. because of the flaws in the marked mechanism and corporate governance in our country, we need think more over, such as the object of the applied, stock option and the internal & external environments in the design of the soe operator ' s annual salary system
從國外在該領域的研究成果來看，目前經營者年薪制設計的難點和重點集中在報酬結構的設計，即工資、獎金、期權收入的設計及比例、經營者業績考核指標的選擇、激勵強度的實證分析和信息揭示效率的研究等方面。我國由於在市場競爭機制、公司內部法人治理結構、法律環境完善等方面存在缺陷，使得國有企業經營者的報酬設計除了上述各方面外，還須對經營者年薪制的實施對象、期權設計、內外環境進行分析。After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates
本文根據我國規范的有關規定，自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型，對不同構件尺寸的樑柱腹板剛性連接節點在單向荷載作用下的反應進行了研究，從結構的mises應力等值線示意圖、梁端加載處的荷載? ?位移曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析，從而得出了不同構件尺寸的樑柱腹板剛性連接的在受力行為上的結論：增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力性能：提高節點的承載能力；減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象，從而避免試件過早地發生破壞。The present research status and some methodologies about the 3d reconstruction and visualization are introduced in this paper, while three important contents, i. e., image pre - processing, 3d reconstruction and 3d reveal are more concerned. image pre - processing includes interpolating, filtering, gray adjusting, rotating, zooming, selecting voi and reducing elements which are very important for the next step. the work of this paper use marching cubes ( mc ) algorithm to reconstruct the 3d object after analyzing the volume rendering method and the surface rendering method
在二維圖像預處理方面討論了濾波、灰度修正、旋轉和縮放、感興趣區域voi （ volumeofinterest ）的提取、減少體數據集中象素的數目、層間插值等，這些處理可以減少噪聲的干擾，使物體的特徵更加突出、需要處理的數據大大減少、節省存儲空間、加快繪制速度，這些處理對於後一步的三維重建是非常必要的；在三維重建方面，分析了面繪制和體繪制各自的優點和缺點，選取了面繪制中經典的mc演算法實現三維重建；在三維顯示中實現對體數據的顯示、剝離顯示、旋轉、等值面顯示、沿x 、 y軸的剖切顯示、光照顯示等效果。分享友人