統計可識別性 的英文怎麼說

中文拼音 [tǒngzhìbiéxìng]
統計可識別性 英文
statisticalidentifiability
  • : 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 ...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 識Ⅰ動詞[書面語] (記) remember; commit to memory Ⅱ名詞1. [書面語] (記號) mark; sign 2. (姓氏) a surname
  • : 別動詞[方言] (改變) change (sb. 's opinion)
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
  • 識別 : 1 (辯別; 辯認) discriminate; distinguish; discern; tell the difference; spot 2 [計算機] identif...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫儲集層的類型、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特的深入淺出的論述以及裂縫儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程算了裂縫儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將算得到的變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判圖版,從而實現qx油田l區塊下白堊的裂縫儲層的類型
  2. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點,提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點,通過matlab模擬試驗,給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線預測編碼倒譜參數和差分線預測編碼倒譜參數相結合的離散隱含馬爾夫模型進行第一級、利用共振峰參數進行第二級的兩級漢語數碼語音,在保證系實時的同時,實現連接漢語數碼語音率的提高;在硬體實現上,詳細闡述了基於tms320vc5402的連接漢語數碼語音各部分硬體設;在軟體開發上,給出了連接漢語數碼語音的軟體設各部分的流程圖,並對各部分進行了matlab模擬,並給出了模擬結果。
  3. Intrusion detection can monitor and analyze the behavior of users and system, audit the system configuration and holes, assess the integrality of data and sensitive system, recognize attack action, stat and audit the abnormal behavior, collect the patch related with system automatically, and record the hacker ' s action uses honey pot. intrusion detection helps system administrator monitor, audit and assess the system state easily and available

    入侵檢測具有監視分析用戶和系的行為、審配置和漏洞、評估敏感系和數據的完整攻擊行為、對異常行為進行和審、自動地收集和系相關的補丁、使用誘騙服務器記錄黑客行為等功能,使系管理員以較有效地監視、審、評估自己的系
  4. A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given

    使用分形方法提取目標的特徵,在知指導下,提出了一種基於目標特徵模型的降維的形態學分形維數算方法,對傳分形方法進行了改進,從理論上推證了演算法的合理,並對演算法進行了模擬分析;針對傳hough變換無法獲得線段端點和長度信息的局限,提出了一種基於目標特徵先驗知的hough變換融合策略,通過引入目標先驗知以有效地獲得直線信息;對信息多而復雜的機場目標採用基於知的目標方法,使用置信度模摘要型實現不確定推理,對目標進行判斷,將知貫穿于整個過程中,對目標進行了有效地
  5. Audio localization technology, a new intersecting subject, touches on such research fields as psychoacoustics and physiology, artificial intelligence and high - capability computer system and so on. and it can help transfer and identify visible information, enhance the fidelity, imagination and immersion of 3d simulation environment. so it has a broad application future

    音頻定位技術作為一門新興的邊緣交叉學科,涉及聽覺心理學、聽覺生理學、人工智慧和高算機系等多個研究領域,且具有廣泛的應用前景,它以幫助傳遞和視信息,增強三維模擬環境的逼真度、想像力和沉浸感,在軍事和民用方面有廣泛的應用。
  6. Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability

    基於變壓器油中溶解氣體分析,提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造,選擇變壓器典型故障樣本構造多組參考序列,這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數算方法,算個體關聯系數和關聯度.然後根據給出的群灰色關聯度算方法,算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析,所提方法診斷準確優於三比值法和傳的灰色關聯分析方法,具有較好的分類診斷能力和
  7. The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

    這種方法的實質是在監控特權進程的正常系調用基礎上建立正常行為模糊子集a ,用檢測到的實時調用序列建立模糊子集b ,然後用模糊方法中的最小距離原則進行檢測。本文的創新點是:通過對特權進程的系調用及參數序列的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能有效降低漏報率和誤報率,而且使實時入侵檢測成為能;設有獨立而完整的特徵數據庫,根據被監控程序的類,分正常行為、異常行為等,提高了檢測系的強健伸縮;特徵數據庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行頻度優先原則,優先分析和處理信息表中的高頻度行為特徵,提高檢測的速度和效率,使實時入侵檢測成為能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。
  8. Network forensics is an important extension to present security infrastructure, and is becoming the research focus of forensic investigators and network security researchers. however many challenges still exist in conducting network forensics : the sheer amount of data generated by the network ; the comprehensibility of evidences extracted from collected data ; the efficiency of evidence analysis methods, etc. against above challenges, by taking the advantage of both the great learning capability and the comprehensibility of the analyzed results of decision tree technology and fuzzy logic, the researcher develops a fuzzy decision tree based network forensics system to aid an investigator in analyzing computer crime in network environments and automatically extract digital evidence. at the end of the paper, the experimental comparison results between our proposed method and other popular methods are presented. experimental results show that the system can classify most kinds of events ( 91. 16 ? correct classification rate on average ), provide analyzed and comprehensible information for a forensic expert and automate or semi - automate the process of forensic analysis

    網路取證是對現有網路安全體系的必要擴展,已日益成為研究的重點.但目前在進行網路取證時仍存在很多挑戰:如網路產生的海量數據;從已收集數據中提取的證據的理解;證據分析方法的有效等.針對上述問題,利用模糊決策樹技術強大的學習能力及其分析結果的易理解,開發了一種基於模糊決策樹的網路取證分析系,以協助網路取證人員在網路環境下對算機犯罪事件進行取證分析.給出了該方法的實驗結果以及與現有方法的對照分析結果.實驗結果表明,該系以對大多數網路事件進行(平均正確分類率為91 . 16 ? ) ,能為網路取證人員提供理解的信息,協助取證人員進行快速高效的證據分析
  9. Application of the algorithm for different observed head data sets indicate that the model can be successfully applied for aquifer systems where data available may be sparse and with errors. calculated groundwater heads by identification results in fourteen parameter areas are fit for observed heads in field, and flowing filed is similar. the study demonstrates the effectiveness of the ga global optimization model for parameter identification, which is an important step towards real system simulation and effective planning and management of groundwater resources

    通過算例研究,表明上述演算法行,且rbf神經網路方法和退火遺傳演算法對地下水系參數的效果都較好,而退火遺傳演算法較之標準的遺傳演算法具有更好的收斂將演算法應用到北京市密懷順地區,在收集、分析研究區資料基礎上,建立了北京市密懷順平原區地下水模擬模型,並用遺傳演算法進行了地下水系參數,在十四個分區情況下,算水位與實際水位擬合的較好,各應力期末的算與實測等水位線基本一致,表明該值較為合理。
  10. Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived

    該程序以對桿、梁結構橫向彎曲振動的實數、復數的孤立和重頻特徵值問題進行攝動分析和靈敏度分析,特是適合於轉子動力學系特徵值和特徵向量問題的攝動分析和靈敏度分析; 2 、用攝動riccati傳遞矩陣方法解決了某電站鍋爐給水泵轉子的參數及動力模型修改的問題,並給出了該種型號的給水泵轉子的更準確的力學模型,為進一步的轉子動力學分析與設奠定了靠基礎; 3 、給出了攝動理論在相關領域如隨機特徵值分析、隨機振動響應分析、分析、靈敏度分析、優化設以及參數中的應用公式。
  11. Original planation surface has some features, for example, it appears in large area with low altitude, small gradient and taking a long formation period, etc. discrimination of planation surface is based on plotting and field investigation and by using statistical methods and " 3s " technique

    原始的夷平面具有分佈面積較大(全流域范圍) 、坡度較小、高度較低、形成所需時間較長、有夷平作用的痕跡等特點。基於野外考察和室內作圖,利用數學方法和「 3s 」技術進行夷平面的,這加強了夷平面研究的精確、客觀和定量
  12. Each is served with a specifically optimized communication layer implementation ; 5 ) a multi - agent system abstraction model, as a powerful tool for integrating modules from different domains. context aware computing is the effort for computer systems to sense and leverage the rich context information in the physical space

    智能空間中的覺察上下文算使得算系以主動的和利用物理空間中的上下文,為實現算的透明目標提供了一種現實行的途徑。
  13. Energy conservation and and reformation of power plants " heat installation affect a lot on the efficient performance of opertion of power plant. pump and fan take a large proportion in power plant and resume much electric energy. so there is much energy conservation pationlity in them. and we should have strong tools and theories " support to reform them. we can combine the theory modeling and engineering design manufacture by the bussiness software such as fluent. in order to take full advantage of the powerful function of fluent and increase absolutely its conveniece and interaction, we should develop fluent secondly. this paper puts the idea firstly demostricly to substitute the performance test of pump and fan to get the integrative system of the optimization and computer aid design, and so we can increase greatly of the efficiecy and quality of the facility reformation. the main idea about the secondary development of fluent in this paper is based on the secondary development of gambit, the modeling and meshing s oftware of fluent, and simplify the modeling and meshing of gambit. meanwile, the data management base on web browser kind is adopted for the convenience of optimization and parameterization, and the journal files createdly recently can get new medeling and meshing files that can be used by fluent. so the designer can focus on the computer scheme and the result analysis without care the fussy designing and optimiziation. so we can increase greatly the optimization efficiency

    泵與風機在電廠中占較大數量比例,且消耗大量電能,節能潛力巨大,對其改造需要強有力的工具和理論支持,用商用cfd軟體如fluent實現泵與風機改造中的理論模擬與工程設製造間的結合。為了充分發揮fluent的強大功能,又能最大程度地提高其方便與交戶,應對其進行二次開發。本課題在國內首先提出對fluent進行二次開發,替代泵與風機能試驗,形成一體化的優化、輔助製造系大大提高設備改造的效率與質量,其主要思想是基於fluent的cad構體軟體gambit進行二次開發,簡化了泵的構體過程,同時,為了優化及參數化方便,採用基於webbrowser的數據管理方式,生成新的記錄文件同時產生新的fluent算能的圖形網格文件,這樣就將設優化者從繁瑣的圖形設及優化中解脫出來,專注于對算方案的確定及算結果的分析,極大地提高了設優化的效率。
  14. Efficient management through modeling of groundwater systems depends primarily on adequate knowledge of its parameters. parameter identification of groundwater system is difficult in water resources management fields. unreasonable parameters of groundwater system directly affect dependability of water resources management calculation

    地下水系的參數問題是水資源管理領域的一個難點,由於地下水系參數取值的不合理,直接影響了水資源管理算結果的,參數的研究在很長一段時期進展不大。
  15. This function also bodied such a fact that when the inputs continuously judged as the true objects, the probability of the true input would be strengthened, and on the other hand when some inputs were judged as the false objects continuously, the probability of the true input would be weakened

    為了算目標概率,論文還建立了具有自明函數,以直觀地顯示真目標和假目標的概率走勢,真假目標在輸入待圖像序列中出現的位置,以及連續出現真目標和連續出現假目標時對各自概率的增強和抑制作用。
  16. Language recognizer generators are tools in common used both for system software and application software development. with the computers spreaded in china, the requirment to process chinese information increases with each passing day ; on the other hand, ada95 is the first iso standard of object oriented programming language ( oopl ), in addition to adopting the characteristics of high efficiency and safety of ada83, ada95 enhances the support of object oriented technologies, and therefore becomes the ideal prograrmming language for developing and maintaining the large, complicate and high reliability systems

    語言器生成器是系軟體和應用軟體開發的常用工具之一。隨著算機在我國的推廣使用,對中文信息處理的需求日益增多;另一方面, ada95是世界上第一個得到iso認的面向對象程序設語言的國際標準,它繼承了ada83安全、高效的特點,支持面向對象技術,是開發與維護大型、復雜、高的理想語言環境。
  17. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、針對頻率選擇衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇通道均衡方法,與傳方法相比,該方法算量更小,收斂速度更快,能更優,且對系階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇衰落通道:提出一種基於迫零均衡的時間選擇通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均值曲線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系的處理方法,提出了新的單輸入多輸出色散時變通道均衡與演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲演算法;研究時變的多輸入多輸出系的盲均衡與盲反卷積問題,給出一種時變系處理模型。
  18. On the detail contents of the study, first of all, under the guidance of the basic theory of the integration of intelligence and capital, it made an analysis of the cooperative intentions of both datong and shuguang at their respective positions and affirmed the positive significance of their cooperation. secondly, it conducted a detail analysis of investment values of shuguang co. from three sectors of its exterior environment, rd & marketing capabilities and finance to make sure what are its strong and weak points, and its internal potentials and the urgent problems it should handle and giving a clear picture of the investment value by investing shuguang. thirdly, based on funding and fund use plans of shuguang co., it analyzed its urgent demand of investment from datong co. and has done a basic calculation of investment return and reached a possible win - win conclusion

    文章在深入調查的基礎上,選擇了較為典型的知型企業成都曙光股份和典型的資本密集型企業寧波大通股份為研究對象;在研究內容和方法上,首先以知與資本結合的基本理論為指導,對大通股份與曙光股份的合作意向分站在各自立場上進行了分析,肯定了雙方合作的積極意義;其次對曙光股份的投資價值從外部環境、研發和營銷能力以及財務三個方面作了較為詳盡的分析,確認了其強弱項、內在潛力和急需應對的問題,凸現出投資曙光股份的價值所在;第三,針對曙光股份的籌資用資劃分析了該公司急需大通投資的客觀要求,並對用資效益進行了初步測算,得出了有望出現雙贏效果的結論;第四,探討了適宜於大通股份的投資方式,在此基礎上設出大通股份參股曙光股份的投資方案,並進行了較為系研究,證明了投資方案的;最後,對大通股份投資曙光股份后進行整合與管理提出了初步設想。
  19. The first part of the paper is designing the testing project for grounding resistance and insulation resistance in a new way. using 16bits ad converter with programmable control amplifier replaced the way which used changing resistance to change measure range. lt is not only improved testing precision and develop the system expediently, but also reduced the area of the circuit boardwith the new way. in order to make the electric implement safety testing system have upstanding expansibility, the software and hardware of the system adopted the modularization design. adopted mcu atmegal28 as a master mcu which control mmi, realtime clock and communication with slaver mcu. atemga8 as the slaver mcu to realize testing function. so it is easy to add or reduce the testing project. the testing implement system has been developed successfully, and the comments for the system is that it has high precision, high expansibility and easy maintain. but considering the electric implement system should have intelligence and humanity abi lity. so this paper bring forward a scheme of electric equipment safety testing embedded system with speech control. after introduce the basic theory of speech recognition, the paper expatiate the characters of this system. the system is a noise conditon, not special people, small glossary, insulation word system. with these characters design the speech recognition as fellow. utilizing cross zero ratio and short energy to ensure jumping - off point and end point ; adopting mfcc as the character parameters of speech recognition ; the character parameters than be recognized by dtw. in order to ensure the credibility of this project, first realized by matlab in computer

    在介紹了語音的基本原理后,闡述了本系的特點:本系是一個噪聲環境下非特定人、小詞匯量、孤立詞的語音。根據本系的這些特點設了如下語音方案:利用過零率和短時能量相結合的方式確定語音端點;採用mel頻率倒譜系數( mfcc )作為語音的特徵參數;得到的特徵參數最後通過動態時間規整( dtw )的模式方法進行。為了確保本系實現方案的,首先通過算機利用matlab軟體來模擬,在演算法模擬實現后又進一步增加環境的復雜:加上較大的環境噪聲、突發的噪聲等,再通過修改參數、修改參考模板、兩級等各種提高語音精度的方法來提廣東工業大學工學碩士學位論文高率。
  20. It solves payment issue through sharing pos and brush card. it solves info sharing and exchanging problem by enterprise application integration it adopts research method of software engineering and uses touch - screen, network, database technology and so on to carry through total design of the system and build the software : it uses user status identify and responsibility control to ensure database and application program ' s security ; it strengthen the code by coding optimize ; it captures and discards application runtime error to enhance the system ' s stability ; it uses multimedia voice and moving picture to show help information, thus makes the system easy to use ; it greatly reduces the maintenance work of the system by self - updating function ; it is an opening system by using star - model network top structure, supporting standard network communication protocol ? tcp / ip and offering standard software interfaced criterion

    論文採用軟體工程的研究方法,使用觸摸屏、網路、數據庫等技術,進行了系總體方案設和軟體開發:通過對數據庫和應用程序的用戶身份和權限控制,保證數據存取和應用程序的安全;通過對代碼進行優化提高了代碼的健壯;通過捕捉並拋出系運行時的異常錯誤提高了系的穩定;通過多媒體語音、圖形和動畫提示幫助信息來增強系的易用;客戶端程序自動升級功能提高了系維護,有效地減少了維護工作量;系採用星型的網路拓撲結構,支持標準的tcp ip網路通訊協議和規范的軟體介面標準,具有良好的開放
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