指針結構數據 的英文怎麼說

中文拼音 [zhǐzhēnjiēgòushǔjù]
指針結構數據 英文
pointer-structured data
  • 指 : 指構詞成分。
  • 針 : Ⅰ名詞1 （縫衣物用的工具） needle 2 （細長像針的東西） needle like things 3 （針劑） injection; sh...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 據Ⅰ動詞1 （占據） occupy; seize 2 （憑借; 依靠） rely on; depend on Ⅱ介詞（按照; 依據） according...
  • 指針 : 1 （鐘 、表的針） hand; indicator; pointer; needle2 （分辨正誤的依據） guiding principle; guide 3...
  • 結構 : 1 （各組成部分的搭配形式） structure; composition; construction; formation; constitution; fabric;...
  • 數據 : data; record; information
  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，對該區裂縫性儲集層的類型識別、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，針對當前裂縫性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指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性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，編程計算了裂縫性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將計算得到的可變的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統計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別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. And this article uses the convenience and the rapidity of network to collect information and utilize data and combins with the prevenient research work, the study and discussion in this paper are in the aspects as follows : ( 1 ) agricultural data system is built in which the planting and the stockbreeding in the region agriculture are the representation

    本文主要針對目前農業結構調整中存在的問題，結合以前的一定的研究成果，利用網路的收集信息、使用數據的方便性和快捷性，提出並設計了農業結構優化決策支持系統。本文在以下幾個方面進行了研究和探討： （ 1 ）以區域農業中的種植業和畜牧業為代表，建立農業結構優化決策支持系統中的數據指標體系。
  3. Aiming at the present design fashion of domestic bigger tunnel, simulating a bigger tunnel with catholic characteristic, confirming the parameters of traffic inducement and controlling ( tunnel length, traffic, the selection and location of detection equipments, amount of roadway indicative lamp, etc ) on the base of the analog tunnel, discussing the controlling and revulsive mode of tunnel. briefly discussing the constitution of tunnel surveillance and controlling system and the executive means of traffic controlling and inducement subsystem and network structure of tunnel controlling system. finally discussing the conformation of emulational tunnel ' s database and detailed executive program by programming the computer emulation of controlling induce subsystem

    論文圍繞「交通誘導與控制」這一中心展開，探討長大隧道交通誘導與控制設備及其控制誘導方式；結合國內外對交通流模型研究的成果，提出一套適合長大隧道交通流特點的交通流模型；並針對目前國內長大隧道的普遍設計方式，模擬一個帶有普遍性特徵的長大隧道，確定了關于交通誘導與控制方面的參數（隧道長度、交通量、檢測設備的選取和位置、車道指示燈的數目等） ；以此模擬隧道為基礎，進一步探討隧道的具體控制與誘導方式；簡要探討隧道監控系統的構成、交通控制與誘導子系統的實現方式，隧道控制系統的網路架構；最後通過編程實現控制與誘導子系統的計算機模擬，討論關于模擬隧道數據庫的構建，具體編程實現等。
  4. At first, the paper confirms singular area by singular detection, then designs a series of low - pass filters that have different templates according to the different position in finger image for a local area, at last sets up gabor filter parameters according to the characteristics of fingerprint image. the improved enhancement algorithm has a better robust, and can preserve texture structure of singular area effectively. in binary noise clearance, the paper presents an algorithm that clears the biggish white speckles and black speckles

    在指紋圖像增強方面，本文針對傳統的基於gabor濾波器指紋圖像增強演算法魯棒性差以及通常會改變奇異區紋理結構的缺點，對原有演算法進行了一些改進:首先通過檢測奇異點確定奇異區，然後根據局部區域在指紋圖像中的位置構建相應取值方式的低通濾波器並對該局部區域方向圖進行濾波，最後根據指紋圖像紋線的特點對gabor濾波器參數進行設置。
  5. In the logic design, the fundamentals and characteristics of ieee std. 1149. 1 specification and usb protocol are introduced first of all. according to altera ’ s fpga cyclone, it analyzes the architecture and jtag instructions of boundary scan test ( bst ). then the dissertation analyzes how to program cyclone device and offer the scheme of the design which is realized in verilog hdl by modelsim and quartus ii software

    在介面邏輯設計中，首先分析ieee1149 . 1標準和usb協議，理解邊界掃描測試和usb數據傳輸的工作方式，然後針對altera公司的fpga器件cyclone ，通過分析它的邊界掃描測試結構和各種jtag指令，研究它的編程過程和編程特點，並提出設計方案。
  6. Based on the fact of generating the synthetic data using poisson distribution function and exponential distribution function, the performance of hy algorithm and the comparison among hy algorithm, apriori algorithm and dhp algorithm is experimented. these experiments include the one that compares the execution time using variant synthetic data and variant minimum supports, and the scale - up one that compares the execution time using variant transaction number and variant item number in synthetic data. finally the results of the experiments are analysed

    在構造基於泊松分佈函數和指數分佈函數的合西南交通大學碩士研究生學位論文第iii頁成數據的基礎上，對hy演算法的性能及其與apriori演算法和dhp演算法的比較進行了實驗，這些實驗包括針對不同的合成數據和不同的最小支持度，對各演算法的執行時間進行比較的實驗以及針對合成數據的不同的事務數和不同的項數對各演算法的執行時間進行比較的規模實驗，並對實驗結果進行了分析，反映出hy演算法具有良好的性能。
  7. This paper studied circular queue this basic data structure, discussed the influence of four settings of the front and rear pointer on enqueue and dequeue algorithm pointed out the key problem of writing simple algorithm is the setting of the initial value of the front and rear pointer, summarized the initial value setting and enqueue and dequeue algorithms of four types of front and rear pointer setting

    本文研究了一種基本的數據結構? ?循環隊列，討論了循環隊列的四種頭尾指針的設置方法對入隊、出隊演算法實現的影響，說明要寫出簡單出入隊演算法的關鍵在於頭尾指針初值的設置，總結了四種頭尾指針約定下合理的初值設置和出入隊演算法。
  8. In addition, it puts forward a nested temporal db, which, with stronger expressive ability than others, is a breakthrough to entity - relationship model and is referred to as nter model. it also verifies the expressive ability of nter when it is applied to sidss. finally, in view of the features of sidss and the current status of salary distribution system, it conducts initial study of the sidss based on temporal - spatial relationship and the sidss with a temporally - driven knowledge database, with the aim for us to develop a consummate sidss system in the future

    本文中，介紹了時態數據庫的基本概念、發展、特點和分類；結合sidss的背景、特色及體系結構，詳細討論了sidss的時態性及其數學模型，指出將時態數據庫應用到sidss並作進一步的研究是必然趨勢，並在此基礎上研究了時態數據庫系統的模型；在探討了幾種模型之後，打破實體-關系類的模型的框框，提出了一個表達能力較強的嵌套時態數據模型，稱之為nter模型（ nestedtemporalentity - relationshipmodel ） ，並驗證將其應用到sidss系統中的表達能力；最後針對sidss的特點以及目前工資管理系統的狀況，進一步對基於時空關系的sidss系統、由時態驅動知識庫的sidss系統進行初步探討，以期今後對開發更完善的引） ss系統作進一步的研究。
  9. It is designed for embedded applications with the following features : separate instruction and data caches ( harvard architecture ), 5 - stage pipeline, hardware multiplier and divider, interrupt controller, 16 - bit i / o port and a flexible memory controller. new modules can easily be added using the on - chip amba ahb / apb buses. it has flexible peripheral interfaces, so can be used as an independent processor in the board - level application or as a core in the asic design

    它遵照ieee - 1745 （ sparcv8 ）的結構，針對嵌入式應用具有以下特點：採用分離的指令和數據cache （哈佛結構） ，五級流水，硬體乘法器和除法器，中斷控制器， 16位的i / o埠和靈活的內存控制器，具有較強的異常處理功能，新模塊可以輕松的通過片上的ambaahb / apb總線添加。
  10. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題，圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案，建議採用時分多址的工作模式，並利用移動自組織網路的概念構建數據鏈網路，同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點，應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償，並在此基礎上進行目標運動參數的轉換，以獲得目標相對于某無人機的當前運動信息，且利用模擬驗證了方法的有效性。
  11. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重載道路路面設計中所存在的問題，從重載交通特性出發，收集分析了國內幾條重載道路的交通及軸載組成情況，根據重載交通的特點，分析原有荷載圖式的不足，提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式；同時，在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上，通過對重載路面軸載換算公式的進一步研究，分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式；此外，本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討，系統地提出了重載路面的設計方法，並使之有效地運用到工程實踐中。
  12. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究，得出的主要結論有：建築物震害預測是一個模糊的、系統的、復雜的問題，現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據，有其自身的優缺點和一定的適用范圍；應針對不同的建築物條件、場地條件、地震強度和已有經驗等，採用不同的預測方法進行建築物震害預測，以使預測結果達到預期的精確性、可靠性和可操作性；建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣，成為指導抗震防災的重要依據，各類結構的震害情況表現為： 6度地震作用下各類建築物基本完好； 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主； 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主； 9度地震作用下鋼筋混凝土結構以輕微破壞為主，單層工業廠房和空曠房屋以中等破壞為主，其餘建築以嚴重破壞為主；建築物的震害預測結果體現了未來地震來臨時的震害程度，在編制漳州市區抗震防災規劃時，對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固；由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分，重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增，漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度（ 7度）時，漳州市區直接經濟損失約4 . 5億元，無家可歸人員約40000人，且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切相關，地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切相關。
  13. Plc, robot and cad / cam are called the three major pillars in the modem factory automation. plc, as the head of the three, has become the leading basic automatic equipment in the field of the industry control in the early 1980s " but as a matter of fact, plc being with the lack of friendly man machine interface, rnakes no close relationship between human and machineometimes it even can not be promoted and applied in some fields aiming at the situation mat those imported products are too expensive while domestic products are of rare famous brands, a plc man - machine interface - plc monitor is developedthis paper systemically introduces the developing procedure for the whole system, including how to design hardware and software system. especially emphasizing plc communication protocol. real time message accessing, lcd controller instruction set, definition of data construction for message & tag screens and how to display thern, assignment of internal resource of cpuealization in software among plc & manitor, file format defining a nd download of user data, etcplc monitor will compensate some weakpoints of plc, and extend the application rangeimultanneously enhance the performance of plc and increase the attached value of mechanical machines, undoubtedly it will see hight market prospect

    針對人機界面進口產品的高昂價格和國產品牌稀少的這一現狀，研製開發了一種plc人機界面? plc監控器。本文系統地介紹了整個系統的開發過程，包括硬體系統、軟體系統的設計及實現，重點介紹了plc通信協議，監控器的基本工作原理以及期望實現的功能，監控器電源電路、 sram存儲器掉電保護電路、 cpu監控器電路、按鍵輸入電路的設計及按鍵狀態的讀入，時鐘信息的設定與讀取， cpu液晶顯示器指令系統，信息畫面及標簽數據結構的定義及顯示方法， cpu內部資源的分配，監控器與plc通信的軟體實現，文件格式的定義以及畫面數據的下載等。 plc監控器彌補了plc一些方面的不足，可以擴大plc的應用范圍，提升機械設備的檔次，增加設備的附加價值，具有一定的市場前景。
  14. Finally, studies the instruction system of cos upon a dedicated instruction of smartcos - xc. chapter 4 discusses the smartcos - xc and gives the design and implementing of a smart card file system framework. based on this, this paper gives a simulation of head - end encryption of entitlement control message ( ecm ) and entitlement management message ( emm ), and implements the decryption of ecm and emm in the smart card

    在對通用cos的研究的基礎上，首先簡單分析了smartcos - xc ，結合該cos ，論文針對有條件接收系統，按不同用途、不同類型分別設計並實現了存儲用戶授權及智能卡應用的文件體系結構，通過該cos的指令系統，設計並實現了模擬前端授權控制信息（ entitlementcontrolmessage ， ecm ） 、授權管理信息（ entitlementmanagementmessage ， emm ）數據生成模塊及用戶端ecm 、 emm解密模塊。
  15. With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics

    熱電聯產系統熱電相互牽連，熱泵供暖（空調）系統不容易很好地滿足尖峰負荷，鍋爐供暖系統供熱中天然氣燃料構成的成本過高，內燃機雙源供暖（空調）系統的高發電效率僅限於100kw - 1000kw負荷范圍，供熱面積有限。對于大面積的商業園區、居民小區，燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖（空調）系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性，結合北京某一商業園區示範工程，進行了系統的計算與分析，得到了有效的數據與結論，在此基礎上，提出影響聯合循環雙源供暖（空調）系統經濟性的主要因素，並進行敏感性分析，得出有益的結論；最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解，並指出系統的優化方向。
  16. We investigated the architectures of three typical computer fault - tolerant systems such as triple modular admixture redundancy system, buildup dual computer comparing system and dual computer comparing system with hot standby, and descript them with the markov model. the reliability and safety model of these fault - tolerant systems are acquired through theoretical analyzing and calculating. with analyzing, we defined the systems " task interval available time section in reason, compared their reliability and safety and evaluated their reliabilities

    具體針對三模混合冗餘、增強型雙機比較及帶熱備份的雙機比較三種典型體系結構的計算機容錯系統進行了研究，統一用馬爾可夫模型進行描述，通過理論分析和計算，獲得各體系結構容錯系統的可靠度與安全度的數學模型；通過分析，合理定義了系統的任務工作期區間，並在此區間上比較分析了各體系結構容錯系統的可靠度與安全度情況，從而對各系統的可靠性指標進行了評價；根據上述三種系統的數學模型，在考慮系統故障覆蓋率與維修率兩個參數對系統可靠度與安全度影響的情況下，用matlab語言編制了計算機模擬程序。
  17. From the late 1990s, the china - south korea fta had already caused a highly attention of the two governments. china state council development research center and korea external economic policies institute are responsible for researches and feasibility studies of this special area, and some of the related northeast asian economic research institutes also did researches of china - south korea fta in various aspects

    中韓fta建立的重點，在於以農業為中心的第一產業和以製造業為中心的第二產業，這也是雙方在fta探討過程中出現爭議最多的地方。本文以農業、製造業為中心，運用大量的數據及貿易指數，針對兩國構建fta的可行性進行深入探討，總結兩國構建fta存在的爭論點，並提出幾點政策性建議。
  18. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻，總結了滑模變結構控制的發展歷史和特點，詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法；系統分析了變結構控制系統抖振產生的機理，並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法；針對傳統抑制和消除抖振方法的不足，改進了傳統方法，得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法；針對不確定性線性系統，在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振，提出了一種自適應模糊積分變結構控制方案（ afivsc ） ，利用模糊邏輯來柔化控制量中非線性不連續部分，採用自適應理論，根據系統不確定性大小在線調整模糊輸出量的隸屬函數，另外，鑒于模糊控制本質上是有靜差的，所以本文選擇了帶積分項的切換函數，由於積分項的存在使系統較正為無靜差系統。
  19. It satisfy the consumer ' s mutlimedia application based on web like : video order prog, long - distance education electroncial commence etc. the essay comprises six parts, the first section introduces the utilization and development of the multi - media, regarding the current situatuion of our country ' s on - line education, points out the definite trend of the multi - media data transmission, the second part describes the basic protocol, technology and theory of multi - media data transmission, the third part gives brief introduction to the principles and compression methods of the dealing with multi - media data, the fourth section devises and realizes a complete set of stremline media server, the fifth part discusses qos under the condition of internet, the sixth part looks forward to the development of the streamline media technology

    本文介紹了多媒體數據傳輸的基礎知識，結合科通教學平臺的開發，實現了局域網環境下的多媒體課件的傳輸，並對該系統的進一步改進提出架構流媒體服務器的方案，將用於滿足用戶需要更多基於網路的多媒體應用，如視頻點播、遠程教育、電子商務等。本論文分為七個部分。第一部分介紹了多媒體技術的應用與發展，針對我國網路教學的現狀，指出多媒體數據傳輸的必然趨勢。
  20. Here, the managed objects are classified into four types : m - based ( storing all resource information in memory ), md - based ( storing the base managed object in memory and the list of attribute in persistent storage ), mr - based ( storing the base managed object in memory and accessing the resource directly ) and d - based ( storing all resource information in a database ). to achieve those, a generic class is designed for the need of the basic managed object ; as a result, the managed object class abstracted from the managed objects mentioned above can be derived from this generic class when corresponding attributes and methods are added. finally, a mib storage structure of a real application inherited from its super classes can be constructed

    該實現方法首先根據管理系統中被管對象的特點將其分為基於內存（ m - based ） ，基於內存?數據庫（ md - based ） ，基於內存?指針（ mr - based ）和基於數據庫（ d - based ）等四種類型；其次，定義被管對象基類用於描述通用的被管對象，然後以此基類為基礎，繼承並添加與具體模式有關的數據成員和方法成員，實現其它類型的被管對象類；對于具體的網管應用，則根據具體要實現的被管對象特點，從合適的被管對象類衍生，添加與具體應用有關的代碼，即可實現相應的mib存儲結構。
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