遞歸數據結構 的英文怎麼說

中文拼音 [guīshǔjiēgòu]
遞歸數據結構 英文
recursive data structure
  • : Ⅰ動詞(傳送;傳遞) hand over; pass; give Ⅱ副詞(順著次序) in the proper order; successively
  • : Ⅰ動詞1 (返回) return; go back to 2 (還給; 歸還) return sth to; give back to 3 (趨向或集中於...
  • : 數副詞(屢次) frequently; repeatedly
  • : 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...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • 數據 : data; record; information
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  1. We first present a number of desiderata for an xml - based query language, and based on this criterion, we introduce the syntax of a simple core ian - guage for semistructured data and then describe four extensions that have resulted in working prototypes. second, we present the algorithm for computing the result of a regular expression on data graph with cycles, the first - order interpretation of querying language for semistructured data, and explore structural recursion and bisimulation in semistructured data and propose an efficient and systematic way to computing a bisimulation between the two graphs. we also proposed and implemented a web querying system with database features

    基於這些準則,對一個簡單的半查詢核心語言的語法提出了兩方面擴充;給出了計算圖中正規表達式的演算法;對半查詢語言的一階邏輯描述、圖的雙態模擬( bisimulation )等問題進行了研究,提出了一種判定圖的bisimulation演算法;在xml查詢語言研究的基礎上,設計並實現了一種具有庫查詢特性的web查詢系統原型。
  2. Iir filters are a kind of digital filters with recursive structure and are primarily used for high data throughput applications that can tolerance phase distortion and require a sharp cut - off characteristic

    本文討論的iir濾波器是一種字濾波器,主要用於能夠容忍相位失真而要求具有良好的衰減特性的高處理量的系統中。
  3. The lazy evaluation feature is needed to handle recursive data structures like trees and graphs

    懶惰求值的特性常用在處理像tree或者graph這樣的遞歸數據結構上。
  4. 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,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,各類的震害情況表現為: 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、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,無家可人員約40000人,且以磚木和多層磚混的震害損失最大;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密切相關,地震時無家可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。
  5. This paper makes researches on pdm ' s kernel function - pcm ( product configuration management ) under the conditions of autocad and low - price dbms witch could be acceptable in our middle or small factories. this paper mainly discusses the recursive query algorithm based on general database witch is offered in oracle, the problem of the automatic bom maker for autocad and conversion from bom to product structure trees. thus the data of autocad files could go into erp ( enterprise resource plan )

    本文從pdm理念出發,在我國中小企業普遍能接受的autocad和低價位庫管理系統的平臺條件下,對pdm的核心技術模塊pcm (產品管理)的實現進行了研究,重點解決了在一般庫中實現庫系統oracle中具備的查詢演算法, autocad環境下bom表的自動生成技術,以及bom表向產品樹的轉化問題,從而使cad通過bom表的橋梁作用進入erp (企業資源計劃)系統。
  6. On the fundamental theory of 3 - d expression, the characteristics of engineering drawings are analyzed, with the difficulties of 3 - d reconstruction based on engineering drawings ; the algorithms of surface blending are investigated, as a strategy of surface blending is indicated ; the methods of avoiding data distortion are presented, after the analysis of iges and step format and their application in the data exchange among heterogeneous platforms ; the methods and process of 3 - d expression based on engineering drawing are provided

    在分析了三維表達技術的基礎理論之上,總出工程圖紙的特點和基於工程圖紙進行三維建的難點,研究了曲面圓角的演算法,納了曲面圓角的方法;分析了三維表達中iges和step格式和在異平臺之間,提出了避免失真的方法;總了基於工程圖紙進行三維表達的方法,納了相應的方法與流程。
  7. Considering the fuzziness of some boundary conditions enviroment media, and especially some loads in the engineering structure analysis, we go further into the computation based on the dynamic problem of fuzzy finite element ( ffe ), study further and systematically the analysis and solution. the principle of fuzzy minimum potential energy is established, and the balance equation of fuzzy finite element is reasoned by making fuzzy variation. at the same time, the dynamic balance equation of stochastic by making stochastic variation , also the fuzzy stochastic dynamic balance equation is deduced. based the theory that the degree of the fuzziness and probability can be measured, in the other word, by using the concept of fuzzy entropy and entropy, pure fuzzy dynamic structure is given through transforming the probability to fuzziness. for the fuzzy parameter can be regarded as a fuzzy vector with dimensions, the structure ' s eigenvalue, by the theory of small parameter

    建立了模糊瞬時最小勢能原理,運用模糊變分原理導出了模糊有限元動力平衡方程;同時,利用隨機變分原理導出了動力問題的隨機有限元方程,同時得到了模糊隨機動力問題的有限元平衡方程。根模糊度和概率度可以度量的原理,即利用模糊熵和概率熵的概念,把的隨機性等效地轉化為的模糊性,得到純粹模糊性的動力。把所具有的模糊參看作一個維的模糊向量,利用小參攝動原理,把的特徵值,特徵向量和位移都在模糊向量的均值處進行泰勒展開,得到一組方程,即可以求得的模糊特徵值,特徵向量和模糊位移。
  8. The mapping the pilot training from the lower dimension space to high dimension space, and in the high dimension space, the wave - let kernel function is adopted, according to recursion least square criteria, the lower linear inseparable problem is convert to the separable problem

    然後將根風險二乘最小化準則回估計支持向量機原理,把導頻訓練序列映射到高維空間,並在高維空間採用小波核函,達到了將低維空間的非線性估計轉化為高維空間的線性估計的目的。
  9. According to the requirements to pd pattern auto - recognition, this paper studies systematically the basic theories and realizable methods for auto - recognition of pd gray intensity image : ( 1 ) in the requirement of on - line pd monitoring for transformer, several discharge models are designed and the relevant experiment methods projected. with discharge model tests, a lot of discharge sample data is acquired. on the base of systematical research on recognition for pd gray intensity image, this paper puts forward two kinds of fractal features, the 2nd generalized dimensions of original pd images and fractal dimensions of high gray intensity pd images, and then the relevant extraction methods

    針對局部放電模式自動識別的需要,作者系統地研究了局部放電灰度圖像自動識別中的基本理論和實現方法: ( 1 )根變壓器局部放電在線監測的要求,設計了放電模型和實驗方法,並通過模型實驗獲得了大量放電樣本,為造局部放電灰度圖像和採用bpnn進行識別作好準備; ( 2 )研究了局部放電灰度圖像的造方法以及降維造32 32灰度和矩陣的方法;在用人工神經網路對局部放電進行模式識別時,分析了bp網路的優缺點,對典型bp網路的和學習訓練演算法提出了改進,採用帶有偏差單元的神經網路作為模式分類器;採用32 32灰度和矩陣進行bpnn識別果表明這種方法是有效的。
  10. The coordinate transformation rules, the combination characteristic of the transfer function are discussed. the solution procedure of series mechanical system is deduced by applying dual - vector addition and matrix multiplication. and the mathematical models are obtained

    建立的學模型,本文提出了相應的按位存儲以及樹型分解演算法,實現了狀態變換矩陣(包括類型、方向及變換特徵)的自動分解。
  11. Nonlinear dynamic modelling of sensors is an important aspect in the field of instrument technique. the recursive neural network is proposed for nonlinear dynamic modelling of sensors, as its architecture is determined only by the number of nodes in the input, hidden and output layers. with the feedback behavior, the recursive neural network can catch up with the dynamic response of the system. the recursive neural network which involves dynamic elements and feedback connections has important capabilities that are not found in feedforward networks, such as the ability to store information for later use and higher predicting precision. a recursive prediction error algorithm which converges fast is applied to training the recursive neural network. experimental results show that the performance of the recursive neural network model conforms to the sensor to be modeled, and the method is not only effective but of high precision

    動態校準實驗果建立傳感器的動態學模型,以研究傳感器的動態性能,是動態測試的一個重要內容.討論了神經網路模型在傳感器動態建模中的應用,給出了神經網路模型的及相應的訓練演算法.由於其反饋特徵,使得神經網路模型能獲取系統的動態響應.該方法特別適用於傳感器非線性動態建模,而且避免了傳感器模型階次的選擇的困難.試驗果表明,應用神經網路對傳感器進行動態建模是一種行之有效的方法
  12. Then, using recursive arithmetic calculated reliability indices for directory tree, the method was realized by vb program ; the other is a method of reliability evaluation by interval arithmetic, which is the use of interval arithmetic to evaluate reliability, and the computation theory is also given. during the calculation, interval number replaced the component " s parameter and it takes into consideration the uncertainty of all of the parameters. in the study of power distribution system configuration, a new configuration model is set up which takes into account simultaneously the losses minimization and system reliability, then improved genetic arithmetic is described detail and of advantage for solving this problem

    在配電網可靠性評估的研究中,提出了兩種實用的配電網可靠性評估方法:其一是利用網路分層和演算法理論,使用高級語言進行程序設計,提出了一種基於vb編程的配電網可靠性評估方法,該方法通過程序實現了網路拓撲的分層等效和可靠性指標的計算,使整個計算過程得到了簡化,並且界面窗口的可視化,使得評估過程便捷、形象;其二是提出了一種基於區間演算法的配電網可靠性評估方法,該方法是一種利用區間理論計算配電系統可靠性的不確定性評估方法;文章給出了區間運算的原理;討論了配電系統中區間的來源途徑,並用區間代替元件的可靠性參,對輻射形配電網進行了可靠性評估。
  13. The idea behind the depth - first visitor pattern is as follows : most visitors that recursively descend down a data structure do so in a depth - first manner

    Depth - first visitor模式的基本思想如下:大多訪問器都以深度優先的方式向下一個
  14. The excellence and disadvantage of them are analyzed. 2. the grset ( generate rules by using set - enumeration tree ) algorithm is proposed based on the research of predecessor

    Grset演算法採用的是集合枚舉樹的,採用深度優先的方法地生成關聯規則的後件。
  15. Symptoms : a program that performs a recursive descent over a data structure throws a class - cast exception

    癥狀:在上執行下行時拋出類強制轉換異常。
  16. The library haxml creates representations of xml documents as native recursive data structures in the functional language haskell

    庫haxml中將xml文檔的表示創建成函性語言haskell中原始的遞歸數據結構
  17. From there, you can use all the higher order techniques haskell provides for dealing with recursive data structures

    從那裡,可以使用haskell提供的所有高階技術來處理遞歸數據結構
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