正經面容 的英文怎麼說

中文拼音 [zhēngjīngmiànróng]
正經面容 英文
poker face
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 經 : 經動詞[紡織] （把紡好的紗或線梳整成經紗或經線） warp
  • 面 : 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...
  • 正經 : 1. [舊時用語] （指十三經） the thirteen confucian scriptures2. [中醫] regular channels; the twelve channels
  • 面容 : facial features; face
  1. In the course of working, ， the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比，其優點在於：耕地無開、閉壟，地表平整，降低了耕后整地的能量消耗，減少了地頭的空行程，因而大大提高班次生產率。為了滿足犁體梭式作業的要求，我們採用了一隻小容積雙作用的液壓油缸；同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗，我們發現：該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重；主犁梁和油缸缸體的連接部分（即油缸底座）突然發生了斷裂，造成整個犁體無法正常工作。
  2. 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。
  3. Third : carve out channel, using extracurricular action to solve environmental problem, chemistry extracurricular action is use environmental chemistry and green action a main carrier, the goal is improve students environmental consciousness, establish right environmental valuable, concept and attitude, consolidate students habits of environmental action, foster students craftsmanship which is how to solve environmental problem, and the trait is fit for environmental trait and need of the epoch development, bring into play students initiation plenitude, enhance students " entirety of diathesis, the students none but go deep into the society practice, join many kinds of exercise actively, they can get clear experience, realize the importance of the protect environment, on the other hand, they can study the knowledge about environmental chemistry, develop craftsmanship about protect environment, improve the students " ability of using the knowledge to solve actual environmental problem

    三、拓寬渠道，利用課外活動參與解決環境問題。化學課外活動是以環境化學和綠色行動為主要載體，以充分提高學生的環境意識、樹立正確的環境價值觀與態度、強化學生的環境行為習慣、培養學生參與解決環境問題的技能為目標，以最新的現代環境知識、環境觀念和學生的直接經驗為主要內容，以適應當地環境特點和時代發展需要，充分發揮學生的主體性、發展學生的全面整體素質。學生只有深入社會實踐，積極參加各種活動課，在活動中一方面獲得真切的感受，體會到環境保護的重要性，另一方面可使學生較好掌握環境化學有關知識，發展環保技能，提高學生靈活運用知識初步解決實際環境問題的能力。
  4. In the all - way building information period, there is an increasing need for software projects, and there also comes a new requirement for the quality and productive efficiency of software productions. in order to meet this requirement, on the basis of the theories of software project management in existence, the author sums up experiences, analyzes the main contents of software project management and the existing problems, and set up a set of system adaptable to it

    在全面信息化建設的今天，對軟體項目的需求正以快速增長，對軟體產品的質量和生產效率也有了新的要求，為了適應這一變化，我們根據已有的軟體項目管理的理論，總結經驗，分析了當前軟體項目管理的主要內容和存在的問題，並建立了一套適應軟體項目管理的系統。
  5. Next, the paper analyzes the adjustment of our country " s other economic laws beyond the three main fields, including anti - unfair competition law, anti - trust law, security law, the law of corporation, partnership law, enterprise bankrupt law and taxation law system

    再次，對wto協議涉及三大領域以外的我國其它經濟法律調適，包括反不正當競爭法、反壟斷法、證券法、公司法、合夥企業法、企業破產法和稅收法律制度等方面的內容進行了初步的探索。
  6. Part three : according to the above study, writer leads some policies, for our choice, on a continuing advance of our real estate industry. this part is composed of chapter four. lt is important how to design or choose the policy on real estate industry for promotion lasting and continuous development of real estate industry. you have to meet this problem when you analyze and study of business cycle fluctuation of real estate industry

    該部分內容由第4章構成，在房地產經濟周期波動運行背景下，特別是對處于經濟轉軌時期的中國而言，如何促進房地產業實現長期穩定增長，是制定和選擇房地產業政策時面臨的一個重要問題，同時也是在分析和研究房地產周期波動時必須正面回答的問題，本部分分析了促進房地產業穩定增長的政策選擇。
  7. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈，由此可知在涉外貿易這種以高投入、高風險著稱的行業里，如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此，正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析，這也是本文的主要研究內容。首先，統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數（ ti ）每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標，利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析，從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯，且可知沖擊程度和時滯度，進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著，從博弈論的角度具體分析一家紡織品出口公司（ beauty ）的外貿活動所面臨的各種經營風險，該篇從博弈擴展圖入手，分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配，研究了有限回合和無限回合合作談判博弈，然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的，投資組合篇從經典的markowitz模型著手，在一些特定條件的限制下，給出了一個相應的投資組合模型。
  8. I major in business english. the main courses i have studied are the basic courses for english majors, french, fundamentals of business, macroeconomics, microeconomics, international commercial law, internatioal trade, the economics of money, banking and financial market & principles of marketing during my college time, i study hard, and get good marks in most of the subjects. i pay attention not only to my study but also to improving my social abilities, i taught in qin huangdao chuangzhi foreign studies school from july 2003 to 2004, was an interpreter for the world bicycle championships b 2001 in june 2001, taught in qin huangdao cambridge school from mar. 2001 to sep. 2001, and i have abundant house - teaching experiences. what ' s more, i practised in qin huangdao chia tai co. in jan. 2003. i also tried my best to improve my other abilities besides my major, such as computer, managing abilities. i got " 1st grade " in the " hebei college students ' plan for company - creating contest " ( our work will participate in the national college students ' plan for company - creating contest ), and got " excellent " in the " web - making contest " of yanshan university

    大學期間，我嚴格遵守學校規章制度，尊敬師長、團結同學，有很強的集體榮譽感；學習認真刻苦，成績良好，我的專業學習涉及內容相當廣泛，包括英語的所有基礎課和國際商法、市場營銷、國際貿易、國際金融、工商導論、宏微觀經濟學等；重視理論聯系實際，在學好專業課的基礎上，積極參加各項社會實踐、實習活動， 2001年6月，我曾為世界b級自行車錦標賽（中國?秦皇島）擔當翻譯工作，在多所外語學校擔任英語教師，還多次為北方物流置業有限公司（國家、河北省重點建設項目）翻譯招商材料，而且2002年年底，在秦皇島正大有限責任公司行銷部實習；在學好專業課的同時，為了補充和擴展自己的知識面，我廣泛涉獵其他學科的知識，如計算機、網路、創業等，盡量使自身更快成長為一專多能型人才， 2002年4月開始參加燕山大學學生創業計劃大賽，並在2003年上半年參加了河北省大學生創業計劃大賽，獲得了一等獎的優異成績，並將報送參加國家大學生「世紀杯」創業計劃大賽， 2002年4月，參加燕山大學「綠色網路」網頁製作大賽，獲得了優秀獎。 。
  9. The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method

    本文具體內容安排如下：第一章介紹了信用、信用風險、信用評價的概念，回顧了信用評價的歷史、發展和現狀，並綜合各種信用評價模型，指出這些模型各自的優缺點：第二章簡單描述了人工智慧技術，著重介紹有關專家系統與神經網路的基礎知識，通過總結它們的優缺點，指出結合專家系統與神經網路構造混合型專家系統的必要性；本章還介紹了神經網路子模塊的概念，提出了混合型專家系統的一般框架與設計步驟：第三章對樣本數據進行處理，包括異常數據的剔除、因子分析等，提出了信用評價混合型專家系統的具體框架結構，介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法；第四章介紹了面向對象技術，進而採用面向對象對信用評價系統進行分析，建立了對象模型和功能模型，並在此基礎上，採用c + +語言以規則類為例說明系統中具體類的實現，用偽代碼的形式描述了推理的演算法；第五章描述了整個系統的結構，對系統主要功能模塊和界面進行了介紹，並總結系統的特點；第六章總結了全文，指出本文所構造系統存在的不足以及對將來的展望。
  10. Since the reform, budget accounting system have been revised many times however, with the development of socialist market economy system, the budget accounting environment is changing rapidly, government turn to offer public product and adjust market ; the range of the financial revenue and expenditure are diversified, the user of governmental accounting information expand constantly, the requisition of the governmental accounting information improves etc. it is inevitable for the revolution of budget accounting to enhance our government performance and establish modern government managerial system. we should draw lessons from international reform experiences and take the china - style road - the " stage - by - stage - going " way of the reformation

    但是，隨著社會主義市場經濟體制的發展，我國預算會計環境正在發生重要的變化：政府和市場在社會經濟運行中的分工逐步明晰；政府職能重點轉向公共品提供和宏觀調控；財政收支的內容和形式更加多樣化；近年實行的部門預算編制、國庫集中收付制度和政府采購制度等預算管理制度方面的改革；事業單位資金來源渠道多元化和經營性業務的增加；政府會計信息使用者的范圍不斷擴大，對政府會計信息的內容和質量的要求不斷提高等。
  11. The focus of improving china ' s government accounting and financial reports should be on definition, the model and the basis of government accounting and financial reports so that the systematic and regulated governmental accounting and financial reporting system with chinese characteristics can be established and comparable to the public sector accounting around the world and the reality and completeness of financial information provided by the government to the public can be guaranteed as well

    我國政府會計與財務報告應該借鑒國際公共部門會計與財務報告的通常做法，吸收我國企業會計與財務報告改革的成功經驗，進行改進和完善，並著重從政府會計內容，政府會計模式，政府會計基礎及政府財務報告等方面進行改革，真正建立具有中國特色，與國際公共部門會計可比的科學規范的政府會計與財務報告體系。
  12. Chapter 2 puts forward the internal control system framework and its core arguments through borrowing and initiating present achievements. it claims that the nature of the internal control for securities firms should be determined as one type of inherent system, distinguished from external control, that the management objectives of internal control system for securities firms include : security business objectives ( core objectives ), security operational environment objectives ( basic objectives ), security operational information objectives ( conditional objectives ) ; according to the management objectives, the internal control system for securities firms is divided into security business subsystem, security operational environment subsystem, and security operational information subsystem. the control objectives of internal control system for securities firms refers to guard against and eliminate the certain risks that the securities firms faced at the process of achieving management objectives with reasonable assurance

    主要內容是:證券公司內部控制的性質應確定為區別于外部控制的一種內在系統;證券公司內部控制系統所要服務的管理目標主要有證券經營業務目標（核心目標） 、證券經營環境目標（基礎性目標） 、證券經營信息目標（條件性目標） ;按照管理目標，可以將證券公司內部控制系統分為證券經營業務控制、證券經營環境控制、證券經營信息控制三大子系統;證券公司內部控制系統自身的控制目標是要合理地保證管理目標實現過程中面臨的特定風險得到防範和化解;證券公司內部控制系統的控制要素包括控制環境（基礎性要素） 、控制目標（起點性要素） 、風險識別（樞紐性要素） 、控制活動（核心要素） 、信息與溝通（條件性要素） 、監控（修正性要素） 。
  13. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。
  14. I told him i intended to have decency observed on my estate, to which he replied : then you mun button the mouths o a th women

    我對他說，在我的林園裏面，是不容不正經的事的。他卻答道： 「那麼，你得把所有婦人的嘴都扣起來。 」
  15. All rights are reserved by tsan - kuang lee. copying or quoting any part of this homepage without the author ' s written permition is not allowed

    本網頁所有內容之版權由本人李璨光保留。請勿抄襲或在未經本人正式書面許可情形下引用。
  16. For a guinea, stephen said, you can publish this interview. buck mulligan stood up from his laughing scribbling, laughing : and then gravely said, honeying malice

    面帶笑容正在潦潦草草寫著什麼的勃克穆利根，這時邊笑邊站起來，然後笑裡藏刀，一本正經地說：
  17. Moreover in this section, vivid background information, accurate and objective data were collected and presented, especially to describe what the new manager needed, who was appointed after the company reconstructed in 2000, tried his best to help the company get over the difficulty, achieve the target set by holding company by carefully and scientifically summarizing history and planning for the future

    案例正文部分較為全面地介紹了興邦公司的發展歷程和經營現狀。本文涉及到公司的組織機構、經營戰略、財務管理等多方面內容，特別是為2000年公司領導層變更后，新任經理如何總結過去、擺脫目前困境、完成集團公司計劃指標和謀劃公司未來戰略等提供了豐富翔實的背景資料與詳盡數據。
  18. Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session

    工程制圖一直被認為是一門實踐性學科，其整合了幾何學、建築、力學、電子制圖等，從而將理論與現實圖像聯系起來，工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常，即使在開放與遠程教育環境中，工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性，一些學習者可能難以想象並解釋這些圖像.然而，尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面向工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖，例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方法，以及應用與練習等階段.在導論階段，系統為學習者提供了專題簡介，然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后，系統將引導學生通過動畫和模擬學習每個專題中制圖方法的不同步驟，學習者也能重復觀察任何剖面.另外，還通過圖像、動畫和視頻等方式展示真實的工程制圖應用案例.最後，為了評價學生的理解能力，在每部分內容後面都附有相關的練習
  19. The affected smile which played continually about anna pavlovnas face, out of keeping as it was with her faded looks, expressed a spoilt childs continual consciousness of a charming failing of which she had neither the wish nor the power to correct herself, which, indeed, she saw no need to correct

    安娜帕夫洛夫娜臉上經常流露的冷淡的微笑，雖與她的憔悴的面容不相稱，但卻像嬌生慣養的孩童那樣，表示她經常意識到自己的微小缺點，不過她不想，也無法而且認為沒有必要去把它改正。
  20. Secondly, some techniques for image segmentation, such as edge - detection, grayscale thresholding and texture, are represented in detail. in the third part, two primary ways are designed for 3d modeling, one is based on the contours triangularization while the other is based on the iso - surfaces extraction. we use a condensed history monte carlo method to calculate and build up the radiation dosimetry, which is a regular data set suitable for creating the iso - surfaces

    論文首先介紹了醫學影像的獲取和預處理的方法，包括dicom標準、醫學影像的圖像增強及圖像校正等內容；提出了基於邊緣提取、灰度閥值和紋理信息等原理的器官分割方法；為了建立三維人體模型，介紹了兩類方法；基於輪廓線的方法和基於等值面提取的方法；在建立放射劑量場時，使用了經典的montecarlo方法；最後，詳細介紹了傳統的等值面提取方法（ marchingcubes ） ，並提出了一種啟發式搜索的marchingcubes方法。
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