正二面角 的英文怎麼說

中文拼音 [zhēngèrmiànjiǎo]
正二面角 英文
positive dihedral angle
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ數詞(一加一后所得) two Ⅱ形容詞(兩樣) different
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  1. This form of construction is strong and has the additional advantage of enclosing a given volume with the least possible use of materials. geodesic domes are actually derived from regular polyhedra. those that are derived from the dodecahedron and the icosahedron have joints where 5 distinct triangles meet

    所建而成的短程線圓頂特色是當中的一些接駁點由五個三形組成而由體所建立的圓頂則可以分割成四分之一或四分之三個。
  2. This article contains three parts, namely, preface, body and conclusion. the preface mainly introduces the discussing subject and writing purposes of this article. body is divided into four parts : from the beginning of actio in rem and actio in personam in roman law, the first part detailedly inspects and analyses the formation process of the dual rights system in historical research methods ; the second part discusses the theoretical framework of the dual rights structure from the aspect of system ; the third part mainly analyses the middle rights and the integration of real rights and creditor ’ s rights and the reasons for the emergence of these phenomena, pointing out that the emergence of these phenomena is unevitable in civil law system which ajusts social relationship with systematic code, and how

    文分為四個部分:第一部分採用歷史研究的方法,從羅馬法上的對人之訴和對物之訴出發,對物債分體系的形成過程進行了細致的考察和分析;第部分從體系化的度討論了物債分體系的理論構成,對其理論架構進行了總體上的研究;第三部分著重分析了物權與債權的融合和中間狀態及其出現這些現象的原因,指出在運用體系化的方法調整社會關系的過程中,出現物權和債權中間狀態的權利形態是不可避免的現象,並對如何確看待這些問題進行了論證;第四部分在前文論述的基礎上,對我國一些學者提出的制定財產法和設立財產法總則的觀點的可行性進行了分析,指出無論是從我國大陸法系的傳統還是從技術層來看,制定財產法或設立財產法總則都是不可行的。
  3. Finally, with the help of the program written in asp language, the 3d model of denture, added up with of the human faces, was compounded to provide the preview, in the ways of both fixed and motion pictures. [ results ] 3d digital model of human natural teeth and the corresponding rpd components were successfully developed. with the data base governing the 3d digital model files set up, the program of application written in asp languages was compiled and tested to run without errors, completing the initial foundation of 3d - preview system for clinical and educational practice in prosthodontics

    平臺開發是利用三維編輯軟體3dsmax製作了常天然牙列和口腔修復學中整鑄可摘局部義齒的各組成部件、精密附著體及其他的一些相關三維模型,建立了基於sql - server的數據庫管理系統,以供方便地調用各種三維模型,合成牙列和修復義齒三維模型,再引入人頭模型引擎,通過三維模型製作多度平渲染圖或四川大學碩士學位論文三維動畫,作為素材上傳數據庫供級用戶調用。
  4. The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project

    本論文針對柵格影像的變形可視化及分塊糾展開研究,取得了以下幾方的研究成果:一、採用科學計算可視化技術,繪制變形矢量圖、變形等值線圖和三維效果圖,實現了柵格影像變形特徵的可視化;、提出了在格網控制點( gcp )數據基礎上選擇性構造顧及變形特徵的delaunay三網,並基於構造的三網實現了分塊糾的方法和數學模型;三、採用vc編制了影像幾何糾軟體,實現大比例尺掃描地形圖的糾,並在工程中得到應用。
  5. According to the background information from the above, the facts of the combination, expansion and quick development of wut, and the strategic significance of the world ' s economy and the development of university, and from the angle of history, reality and the future, to a large degree, this paper analyzes three strategic environment faced by university, that is : intellectual economy and the world ' s new technical revelation ; marketing economy and modernization of china ; the popularity of education and the reform of chinese higher leaning system. through a thorough analysis of thirty six comprehensive universities and science and engineering colleges owned by the national education department, and through comparison between typical universities, this paper also objectively analyzes the strength and advantages of the development of wut on the aspects of subjects, trade and scale, and the disparity existed in subject strength, scientific and technical ability, qualified personnel construct and the economic base. through those analysis, it points out several problems in the development of university, such as " no common idea, no complementary subjects, no fixed core, no unified campus " and etc. therefore, a basic conclusion is drawn, that is " generally speaking, wut ranks among the second class of the nation ' s higher learning groups, and which possesses many potentialities to help itself step into the first class universities

    本課題是從上述背景出發,緊密結合武漢理工大學合併、擴招和大發展的實際,從世界經濟和大學發展的高度,從歷史、現實和未來的度,大范圍、多層、寬視野地分析了學校發展所臨的知識經濟和世界新技術革命、市場經濟和中國現代化建設以及教育大眾化和高校管理體制改革三大戰略環境,通過對育部所屬36所綜合及理工類高校的整體分析和典型大學的個案對比,比較客觀地分析了學校發展在學科、行業和規模三方的實力與優勢以及存在的學科實力、科技能力、人才結構和經濟基礎等四方的差距,指出了學校發展中「無共同的理念、無互補的學科、無凝聚的核心、無統一的校園」等問題,並得出一個基本結論:學校總體位居全國高校第集團水平,具有向一流大學邁進的基礎,同時,相比國內一流大學又有很大的差距。
  6. After solution of radiational and diffractional fluid field of asymmetrical sections by applying the multipole expansion method, wave loads on damaged ships are calculated by the linear strip theory under the non - upright floating condition, taking the effect on the heel angle and trimming angle caused by the damaged tank inundation below waterline into account

    然後採用線性切片理論,計及水線以下破損后船舶由於艙室進水產生的橫傾與縱傾的影響,利用多級展開法求解非對稱剖維輻射和繞射流場,計算了破損船體非浮狀態條件下的波浪載荷。
  7. The core issue i " d like to discuss in this paper is the thesis that " cooperative security " is the rational choice of the security patterns in the asia - pacific area after the cold war. the following are my reasons : from the practical perspective, asean regional forum ( arf ) is the first and the only pan - regionally official " cooperative security " organization emerged in the asia - pacific area after the cold war. and it has made great contribution to the asia - pacific security : firstly, arf is the product of the asean ' s new security concept and strategy, which is in accord with the maintenance of national and regional security interest for asean and most of the states in this area ; secondly, the appearance of arf also conforms to the subjective and objective needs of big powers ; thirdly, the method to resolve the security problems by dialogue and cooperation, the building of confidence - building measures and the launching of the preventive diplomacy in arf have enhanced mutual understanding and mutual trust among asia - pacific countries

    本文要論證的中心問題就是, 「合作安全」是冷戰后亞太地區安全模式的理性選擇,理由如下:首先,從實踐的度看, 「東盟地區論壇( arf ) 」是冷戰后亞太地區出現的第一個,也是迄今為止唯一的一個泛地區官方「合作安全」組織,它在發揮維護冷戰后亞太地區安全方起到了重要的作用和收到了良好的績效:第一, arf是冷戰后東盟國家新的安全觀念和以此為指導的新的安全戰略的產物,它符合東盟國家及絕大多數發展中國家保持本國及整個亞太地區安全與穩定的利益;第, arf的出現符合亞太地區大國的主觀訴求和客觀需要;第三, arf以對話、合作解決安全問題的方式及它的信心建立措施和預防性外交的開展為亞太地區國家之間增進相互理解和信任起到了積極的作用,有利於冷戰后的亞太國家走出「安全困境」 ,實現真意義上的普遍安全。
  8. It therefore makes biological sense for people to prefer beautiful friends and lovers, since the first will make good allies, and the second, good mates

    因此,從生物學的度來看,人們喜歡長相好的朋友和愛人是常的,因為第一次見,會讓彼此成為好朋友,而第次則會讓彼此成為好的伴侶。
  9. Chapter three author aimming at the blank of study on the inrollment policy of the higher education for minorities tries to probe theoretically into it from the perspective of the cause of minority student achieveinent higher educational function and educational policy, and to define the essence principle and foundadion of this policy, firstly, auther wants to show that the root to implementing this policy bases on minority history earth instance and cultural speciality by analyzing the cause of minority students low achievement, secondly, by the perspective perspective of higher educational function, author tries to show the important role of higher education to socialize minority students in case they are peripheried, to inherit and improve minority culture, in order to define that this policy is an important political mechanism to safeguard minority " s educational right and educational equality, thirdly, there are two points to be showed by discussing with the perspective of educational policy : the inrollment policy of the higher education for minorities is complexity and it is restricted and influenced easily by correlative mechanism because it involves virtuely in educational problem ethical problem and policy problem, on the other hand, the inrollment policy of the higher education for minorities don " t violate the principle of individual equality, instead, it carries out certain policy for some groups basing on the principle of the individual equality

    一、通過對少數民族學生低學業成就的歸因分析,論述少數民族高等教育招生政策實施依據是少數民族歷史發展、現實狀況和文化特殊性。、通過高等教育功能視的探討,論述高等教育對少數民族學生的進一步社會化,避免少數民族個體被邊緣化的意義,以及高等教育對少數民族繼承、發展民族文化的意義,明確少數民族高等教育招生政策是保障少數民族高等教育權利、保證教育公平的一項重要的「政治機制」 。三、通過教育政策視的探討,主要有兩方內容,一是由教育政策的特點,論述少數民族高等教育招生政策實質上是集教育問題、民族問題和政策問題於一身,這使它的運行具有復雜性,它更易受其它相關機制的制約和影響;是通過教育政策價值取向的探討,論述少數民族高等教育招生政策雖以一定群體為實施的對象,但並不違背個體平等原則,它是立足於個體平等的基礎上,依據能力選拔的原則,針對群體差異客觀存在的現實,對一定群體實施的一定「優惠政策」 ,以保證處於弱勢地位群體的權利,從而真實現個體的平等。
  10. After scientists ' social role was recognized widely by society, their scientific activities have taken on the responsibility of benefiting human being in two aspects : first, they see science as a spirit aim and as " a most hopeful material benefits source " ; second, they consider science ' s impact on social politics, economy, military and so on, so that science can be used justly to social construction

    摘要科學家的社會色在得到社會的廣泛認同以後,科學家的科學活動基本上就從以下兩個方擔負起造福人類的重任:一是把科學當作一種精神追求並成為「最有希望的物質福利的源泉」 ;是思考科學對社會的政治、經濟、軍事等其他一切方的影響,從而從更深遠的意義上來敦促科學應當當地應用於社會建設。
  11. And through the analysis of group differences reflected, on the social network, by the work force in different groups with different professional role in the present rural area, this research gives the prophecy of the evolving tendency of the social supporting network of the work force in the rural area in china. the thesis is divided into four parts : the first part expatiates the focus of attention, purpose, significance, innovation, feasibility, research idea and research methodology of the paper. the second part, through the five aspects of the scale of the social supporting network, relation constitution, compactness degree, convergence and diversity, describes and analyses the general character of the social supporting network of the work force of the rural area, and roots out that the social supporting network of work force in rural area in china is in the process of slow and gradual transform

    全文共分四大部分:第一部分,闡述本研究的出發點、目的、意義、創新性、可行性、研究思路以及研究方法;第部分,從社會支持網的規模、關系構成、緊密程度、趨同性、異質性等五個方,描述和分析了農村勞動人口社會支持網的一般特徵,發現當前我國農村勞動人口社會支持網,處于較緩慢的漸進的變革過程中,傳統農民的社會支持網已經開始呈現出一定的多樣性和豐富性的特點;第三部分,通過控制職業色分化因素,對不同職業色群體勞動人口的社會支持網進行差異性分析,發現較之農業勞動者群體而言,工商業勞動者群體的社會支持網更為復雜與多樣,其社會效用也更大;第四部分,在概括本文研究結論的基礎上,預測農村勞動人口社會支持網的發展趨勢,明確現代社會網的創新方向。
  12. Many factors regarding the modifying coefficients of circular and rectangular section are analyzed : ( 1 ) it is theoretically proved that the diffusion coefficient of cl - in concrete is dependent of modifying coefficients ; ( 2 ) through analysis of the results of numerical value calculation, it is discovered that the relation between the modifying coefficients and the thickness of protection layer of concrete is linear, from which the function expression of these two variables is gain ; at the same time, the influence on modifying coefficient of the radius of circular section and the thickness of cl - on the surface of concrete ; based on these, practical calculating method of beginning corrosion time of steel of circular section is set up ; ( 3 ) to rectangular section, the diffusion of cf in concrete is two - dimension diffusion

    討論了影響矩形截以及圓形截系數的因素: ( 1 )從理論上證明了氯離子在混凝土中的擴散系數與修系數無關; ( 2 )通過圓形截數值計算結果的分析,發現圓形截系數與保護層厚度基本成線性關系,並建立了者之間的聯系;分析了圓形截半徑、混凝土表氯離子濃度對修系數的影響,從而建立了圓形截鋼筋初始銹蝕時間的實用計算方法; ( 3 )在矩形截氯離子侵蝕下,混凝土處於維擴散狀態。本文通過計算分析,證明維擴散的影響區域從邊開始向中間逐步擴散,並證明了維擴散影響區域依賴于氯離子擴散系數與氯離子擴散時間的乘積。
  13. There are three parts in the text in the first part, the course and achievement of nie rong - zhen ' s leading science and technology of national defense are described. the author expounds them in two aspects : one is from the transforming of nie rong - zhen ' s world outlook, the other is from his work quality. in the second part, the author interprets the experiences and lessons, ideas and practice, measures and ways on nie rong - zhen ' s guiding chinese science and technology of national defense in the view of philosophy

    文分三個部分:第一部分首先講述了聶榮臻領導國防科技事業的歷程和成就,分別從他的世界觀的轉變和工作性質的轉換為基礎展開論述;第部分把聶帥指導新中國國防科技事業的經驗和教訓、思想和實踐、措施和做法分4個大的方從哲學的度予以闡述。
  14. Please click the last second button of the frame ( on right hand side down ), then the screen will become normal

    請按一下電視框右下按鈕,畫立刻變回常四方形
  15. At about 10 pm today, police received a report from the mass transit railway corporation that a train operator found someone hiding on the ceiling inside the tunnel in tin hau mtr station. police officers were deployed to the scene to investigate and found a man between the ceiling and the ventilation duct inside the tunnel. officers then persuaded the subject to climb down and the man was subsequently put under police control at about 10. 25 pm

    今晚約十時,警方接獲地鐵公司報告指一名車長發現在天後地鐵站的隧道天花有人匿藏,警方遂派員調查,到場的警員發現有一名男子匿藏於隧道內通風槽與天花之間的位置,於是勸喻他返回地,警方最終于約晚上十時十五分將該名十五歲男子制服,男子其後昏倒,被送往鄧肇堅醫院接受治療,事件發生期間,介乎北至天後地鐵站的地鐵服務曾一度暫停,警方現調查該名男子是否與今日凌晨在北和富中心發生的搶劫案有關。
  16. Part two : organizing strategy of cooperative learning in implementation of new mathematical curriculum this part analyzes the problem in the process of implementing of cooperative learning in new mathematical curriculum by observing in classroom and studying case. six problems is : ( 1 ) the group activity stay on the formal, and lack the material cooperation ( 2 ) individual duty diffuse, " take a ride " phenomenon have the occurrence ; ( 3 ) student social intercourse technical lack. ( 4 ) no change in teacher ' s role, lacking guidance to student ; ? ividing group difficultly for big class formation, fulling of too much noisy in classroom ; ? valuation system is not well, group cooperation exist in name only, provides six suggestions for these problems : ( 1 ) dividing group scientificly and vividly ; ( 2 ) leading student active cooperative learning ; ( 3 ) increasing the individual duty ; ( 4 ) cultivating students " cooperative method and social intercours technical ; ( 5 ) enhancing management in classroom ; ( 6 ) handling a few relations rightly ; finally, puts forward the principle and program of orgnizing cooperative learning in new mathematical curriculum

    、新數學課程實施中合作學習的組織策略本部分在對實驗區數學課堂觀察和個案研究的基礎上,分析得出了新數學課程實施中合作學習存在的6個問題:小組活動留于形式,缺乏實質性合作;個體責任擴散, 「搭車」現象時有發生;學生社交技能欠缺,合作效率低下;教師對自己色轉變認識不清,指導作用沒有跟上;大班額分組困難,課堂過于喧嘩混亂;評價體系沒有跟上,小組合作名存實亡。針對這些問題,對新數學課程實施中開展合作學習提出了6方建議:科學靈活地分組;引導學生主動合作學習;提高個體責任:重視對學生合作方法、社交技能的培養;加強合作學習中課堂管理;確處理幾對關系。最後提出了新數學課程實施中合作學習的組織的原則和組織序列。
  17. The angle spectrum of inputting optical signals is received by the input surface of arrayed waveguides. whereas the diffraction process of light beam outputed in slab waveguide is a process of " composing frequency and generating image ". the reason that fraunhofer diffractive pattern can be gained on outputting waveguide surface is that output ends of arrayed waveguide distribute on the arch structure which leads bent phase factor to offset the quadratic phase factor in fresnel diffraction

    輸入平板波導內光束的衍射過程是「分頻成譜」的過程,在陣列波導的輸入接收到的是輸入光信息的譜;而輸出平板波導內光束的衍射過程則是「合頻成像」的過程,是由於陣列波導輸出口排列分佈在圓弧形結構上,其彎曲位相因子消去了菲涅耳衍射中的次位相因子,從而在輸出波導上能夠得到夫瑯和費衍射圖樣。
  18. " good idea, " said the comrade, who walked across the room, knelt down, raised one of the rearward hearthstones and took out a bag that jingled pleasantly. he subtracted from it twenty or thirty dollars for himself and as much for injun joe, and passed the bag to the latter, who was on his knees in the corner, now, digging with his bowie - knife

    他走到屋對,膝蓋頂地,取下一塊後的爐邊石頭,掏出一袋叮當響的袋子,自己拿出三十美元,又給印第安喬拿了那麼多,然後把袋子遞給喬,他跪在落邊,用獵刀在挖東西。
  19. The dual standard quantity ( the work piece and the discrete standard quantity ) mutual measuring and model verification methods are also proposed, which perfects the whole modifying process from data measuring, error separation, model establishment to real correction. after researching the discrete standard quantity system dynamic error separation technique, two error correction methods based on genetic algorithm and neural network mixed modeling technique are established. the two methods are the discrete standard quantity dynamic error direct / synchronous correction and prediction model correction ; the model ' s parameters and model ' s exercising method are also confirmed

    設計了雙標準量值(工件和離散標準量)互比測量的模型驗證方法,完善了從數據測量、誤差分離、模型建立到實際修的整個修過程;研究了離散標準量系統動態誤差分離技術,建立了基於遺傳進化演算法與神經網路混合建模技術的兩種誤差修方法? ?離散標準量動態誤差直接(同步)修方法和預報模型修方法,並確定了模型結構參數和模型訓練方法;分析了預報模型的多次預報性質,並得出了多次預報與多步預報的等效關系,確定了測量系統的有效預報范圍以及模型參數對泛化誤差的影響;進行了模型的對比實驗驗證和被測工件動態誤差修試驗,成功地實現了任意和圓分度的實時誤差修
  20. The first part of this text recommends and explain the intension of the system of executive stock option with its key element, characteristic, current development, positive and negative effects, etc. which offering basic support for following analysis ; the second part, described the behavior of stock price and black - scholes option pricing model from the angle of quantitative analysis, and discuss the value factor of stock option with its encouragement, analyzed the change of every factor in black - scholes option pricing model impact on option worth ; then analyzed the leverage effects and manager ' s morals risk model of executive stock option, at last, considering the main defect existing in the system of executive stock option at present, that is : it depends on stock market unduly, and the stock option incomes of manager has no relationship with manager ' s achievement. this text bring forward the manager synthesizes achievement and appraises model

    本文的第一部分全介紹和闡述了經理股票期權制度的內涵,構成要素,特點,發展情況和負效應等,為後的分析提供了基本支持;第部分,從定量分析的度出發描述了股票價格行為和black - scholes期權定價模型,並以此為理論基礎探討了股票期權的價值因素和激勵性,分析了black - scholes期權定價模型中各因素的變化對期權價值的影響;接著分析了經理股票期權的杠桿效應和經理人道德風險模型,最後,針對當前經理股票期權制度存在的主要缺陷即:過度依賴股票市場,經理的股票期權收入與公司的業績缺乏相關性這一問題提出了經理綜合業績評價模型。
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