立體異構現象 的英文怎麼說

中文拼音 [lìtǐyìgòuxiànxiàng]
立體異構現象 英文
allo-isomerism stereoisomerism
  • 立 : 動1 （站） stand; remain in an erect position 2 （使豎立; 使物件的上端向上） erect; stand; set up...
  • 體 : 體構詞成分。
  • 異 : 形容詞1 （有分別; 不相同） different 2 （奇異; 特別） strange; unusual; extraordinary 3 （另外的;...
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 立體 : 1 （三維的） three dimensional; stereoscopic2 [數學] （幾何體） solid; body立體彩色電視 three dim...
  • 現象 : appearance （of things）; phenomenon
  1. Stereoisomerism is encountered in the homologous series.

    在同系列中存在立體異構現象。
  2. The difference of litigation model between two families of law makes a distinction between expert witness and lay witness in the fields of service target, dispatch, impanel and nature standing in litigation ; the second chapter of article surveys the problems arising from expert system practice and actual application of expert witness in judicial practice, and demonstrates the existing condition and necessity of setting up expert witness in our country ; the third chapter of article builds up them in the regards of subject of expert witness, qualification, launch, impanel and adoption of expert ’ comments

    而兩大法系訴訟模式的差異，使專家證人與鑒定人在服務對象、啟動和選任以及在訴訟中的性質地位上存在較大的區別;本文第二章考察我國鑒定製度在運行過程中產生的問題和專家證人在司法實踐中實際運用，論證我國確立專家證人存在的現實基礎和必要性;本文第三章，從專家證人的主體、資格、啟動和選任及專家意見的可采性等方面進行了構建。
  3. 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。
  4. The framework firstly abstracts two types of replication objects : publication and subscription ; then constructs a three - layer open architecture : connection layer, implementation layer and application layer ; four components ( capturing manager, distributor, synchronizer and conflicts manger ) are defined in the implementation layer ; thus it can entirely solve five problems : fully heterogeneous, all - round functions, transplantability, expandability and global performance

    它首先抽象出兩類復制對象：出版物和預訂；然後建立由連接層、實現層和應用層組成的三層開放式結構；實現層則定義捕獲器、同步器、分發器和沖突管理器四個功能構件；從而全面地解決完全異構、全面功能、可移植性、可擴充性和整體性能五方面的問題。
  5. Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other

    文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區域差異衡量指標體系，在此基礎上，藉助spss統計分析軟體，運用主成分分析法，對湖南省14個市州經濟發展綜合水平的差異狀況進行了研究，結果表明：長沙市的經濟發展綜合水平在14個市州中遙遙領先，反映了湖南省經濟發展空間結構的「單極主導」特徵；通過計算人均gdp的標準差和標準差系數，研究區域經濟差異的總體水平及區域經濟不平衡發展的演變趨勢，發現90年代以來湖南省各市州人均gdp的絕對差異和相對差異都在逐年擴大，其中絕對差異隨年份直線上升，且這種差異擴大的趨勢在短期內難以改變；通過計算各市州人均gdp與全省人均gdp的離差和比率、各市州發展速度的差異及產業結構的差異，認為湖南省區域經濟差異的空間特徵是：湘東京廣沿線地區基礎較好，發展較快，湘西地區發展緩慢，地區差異不斷擴大；通過以縣為對象的差異研究發現在湘東湘西差異的大背景上還有核心區與邊緣區的差異，它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層差異特徵，最落後的縣分佈於湘西、湘南、湘
  6. It becomes more difficult to manage, integrate and share the control system real - time data when we set up the industrial real - time database because of complicated affair between every department and isomeric character of the system. a three - level - structure model and the method to establish database is provided based on corba criterion with its character of being regardless of programming languages, hardware platform and network protocol. a universal real - time database faces multi - system is also set up by learning the distributed criterion, it can realize the request broker, and the application software can visit the database pellucidly ; thus the power station simulation model can be linked with the control system such as infi90, ovation and be made use of the control object, a closed simulation and control experiment system is set up

    在創建工控領域實時數據庫時，企業各部門間的復雜事務及內部異構性給實時數據的管理、集成和共享帶來了一定的困難，根據corba規范具有語言無關性、平臺無關性和網路協議無關性的特點提出基於分散式計算規范corba的三層體系結構模型及建立與維護實時數據庫的方法和途徑；通過corba規范建立面向多個分散控制系統的通用實時數據庫，實現數據訪問代理，使應用軟體可以透明地對實時數據庫進行訪問、存取、管理；將infi90 、 ovation分散控制系統與火電廠模擬機模型進行有效的互連，以全物理過程模擬數學模型為對象，構建了閉環控制模擬實驗研究系統，實現數據的高效連通及管理；進而通過基於corba的實時數據庫構建一個從火電廠模擬機對象到過程式控制制設備再到sis系統的綜合自動化試驗平臺。
  7. According to procedures and rules for arable land gradation and classification, the thesis make studies with taiyuan city jiancaoping country as study region. this region is a town ' s outskirts which have complicated terrain, differ greatly in land quality and contaminated arable land. the study has centred on the structural system of the index of the arable land gradation and classification, the definition and quantify of the ecological index, the divide of index ' s region and the foundation of data base which is based on mapgis for the arable land gradation and classification

    該項研究就是在此背景下，以太原市尖草坪區為研究區域，以《農用地分等定級規程》為技術依據，針對該區域地形復雜、城郊型特點明顯，土地質量差異較大，土地污染現象嚴重等特點，重點對農用地分等定級指標體系的構建、生態環境指標的確定和量化、指標區的劃分，以及基於mapgis支持下的分等定級數據庫的建立和應用等開展了研究。
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