最常見的成分 的英文怎麼說
中文拼音 [zuìchángjiàndechéngfēn]
最常見的成分
英文
modal composition- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 見 : Ⅰ動詞1 (看到; 看見) see; catch sight of 2 (接觸; 遇到) meet with; be exposed to 3 (看得出; ...
- 的 : 4次方是 The fourth power of 2 is direction
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
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Therefore, this dissertation based on the pre - research defense projects of “ research on longevous service and high reliability of satellite ” of the national tenth - five - year plan, study the method of uncertainty inference, and the application of rough set theory in the development of the satellite fault diagnosis system, the main content of this dissertation is as follows : first, this paper incorporate the status in quo of the technology of fault detecting and diagnosis and the artificial intelligence ( ai ), realize the newest trend of the technology of fault detecting and diagnosis is that using the technology of artificial intelligence to solve the certainty and uncertainty problem in the actual engineering area
為此,本文以國家武器裝備「十五」預研「衛星長壽命高可靠技術」研究項目為背景,研究不確定性推理理論中的粗糙集理論在衛星故障檢測和診斷中的應用,並開發相應的系統。主要研究內容包含以下幾個方面:論文首先結合故障診斷技術及人工智慧技術的發展現狀,明確了故障診斷的發展方向是使用人工智慧的最新研究成果去解決實際應用中更為常見的各種確定和不確定問題。分析了解決不確定推理技術的主要方法及各自的原理並進行了比較。The blade is manufactured to be the shape of tooth by press and milling cutter directly. then, the blade is separated to be right and left sides by saw set tool. this type is the commonest, cheapest, most toilsome and time - wasting product
直接由沖床press銑刀milling cutter製造成鋸形狀,再以分角器saw set tool將鋸左右兩邊,這就是一般市場上最常見最廉價使用上也最費力又最耗時的產品。In an attempt to tackle the most common resource conflict problem of i - mes, a conflict resolution model that is based on multi - agent cooperation is proposed. from the perspective of conflict management full life circle, the problems of conflict checking, conflict analysis and conflict resolution are studied extensively. meanwhile a conflict analysis method based on program evaluation an review technique / critical path method ( pert / cpm ) is provided, which categorizes all kinds of resource conflict
針對可集成製造執行系統最常見的資源沖突問題,提出了一種基於多agent合作的沖突消解模型,從沖突管理的全生命周期角度,詳細研究了沖突檢測、沖突分析、沖突消解等問題,提出了一種基於pert cpm的沖突分析方法,對各種資源沖突進行分類,並建立了相應的沖突消解策略及基於kqml的沖突消解規則。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。Even in the most advanced financial centres, this phenomenon has been a common feature, manifesting itself in cartels that limited competition and in an unhealthy degree of market concentration
即使在最先進的金融中心,這種情況亦頗常見,具體形式包括卡特爾式的壟斷,藉以限制競爭對手加入市場,以及市場過分集中,造成不健全的市場環境。This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design
首先進行了方案論證,對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析,提出應用模糊控制和雙余法解決下述問題,即該論文主要的新見解和所完成的工作: ( 1 )為了克服直流電機參數時變性和非線性因素對控制性能的影響,本設計中,雙閉環調速系統的外環採用模糊控制,內環採用pi控制,使系統在一定范圍內對直流電機參數變化和非線性因素影響有自適應能力; ( 2 )針對常規數字觸發器演算法中觸發脈沖的可靠性不高,經常出現漏脈沖或是脈沖混亂的情況,本文採用雙余法,該演算法具有響應快,可靠性高,具有良好的適應性及抗干擾能力; ( 3 )本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元,應用該晶元完成系統的軟硬體設計: ( 4 )本文對系統抗干擾的軟硬體措施進行了重點研究; ( 5 )設計了具有模糊控制的全數字直流傳動系統原理樣機,並進行了試驗驗證,對試驗過程中出現的問題及時解決,最終實驗結果證明設計是可行的。This paper describes an aag ( attributed adjacency garaph ) based method of machining features recognition for shaft kind parts and 2. 5d parts on the acis platform, which can effectively recognize the main and assistant feature of these kinds of parts. using the class library provided by acis, all the geometrical information for defining a feature can be acquired. finally a xml neutral file describing the recognition result is provided for the later capp process and the generation of nc code
本文首先分析三維實體邊界模型的特徵識別方法及其特點,繼而採用基於屬性鄰接圖的特徵識別方法,研究了軸類零件及2 . 5維零件的加工特徵的分類及其識別,並在acis平臺上開發了相應的軟體原型系統,有效地識別該類零件的主特徵和常見的輔助特徵,且利用acis提供的類庫介面提取模型底層的幾何參數,得到定義各項特徵所需的幾何尺寸信息,最後以xml中性文件的形式輸出識別結果,為后續進行的工藝規劃、加工代碼生成提供初始數據,從而為cad / capp / cam的集成提供有效的方法。Injuries and painful conditions affecting the neck are common as it is the most mobile part of the spine. common causes of neck pain are degeneration of the spine, poor posture and injury
頸部是脊骨最靈活的部分,較容易因長期活動或意外創傷而磨損,所以頸痛十分普遍,而成因當中以關節長期勞損及退化不良的姿勢及創傷較為常見。Abstract : biological invasions are a continuous feature of a non - equilibrium world, ever more so as a result of accidental and deliberate introductions by mankind. while many of these introductions are apparently harmless, others have significant consequences for organisms native to the invaded range, and entire communities may be affected. here we provide a survey of common models of range expansion, and outline the consequences these models have for patterns in genetic diversity and population structure. we describe how patterns of genetic diversity at a range of markers can be used to infer invasion routes, and to reveal the roles of selection and drift in shaping population genetic patterns that accompany range expansion. we summarise a growing range of population genetic techniques that allow large changes in population size ( bottlenecks and population expansions ) to be inferred over a range of timescales. finally, we illustrate some of the approaches described using data for a suite of invasions by oak gallwasps ( hymenoptera, cynipidae, cynipini ) in europe. we show that over timescales ranging from 500 10000 years, allele frequency data for polymorphic allozymes reveal ( a ) a consistent loss of genetic diversity along invasion routes, confirming the role of glacial refugia as centres of genetic diversity over these timescales, and ( b ) that populations in the invaded range are more subdivided genetically than those in the native range of each species. this spatial variation in population structure may be the result of variation in the patchiness of resources exploited by gallwasps, particularly host oak plants
文摘:生物入侵是不均衡世界的一個永恆話題,尤其是當人類有意或無意地引入物種后.很多引入顯然是無害的,但另外一些則有著嚴重的後果,會給入侵地的生物以至於整個生物群落造成影響.本文總結了分佈區擴張的常見模式,概述了它們對遺傳多樣性和種群結構式樣所造成的影響.描述了如何根據以一批遺傳標記所得到的遺傳多樣性式樣來推斷入侵途徑,來揭示伴隨擴張選擇和漂變在形成種群遺傳樣式中的作用.本文對日益增多的群體遺傳學方法進行了總結,這些技術可以用來在不同的時間尺度上推斷種群規模所發生的巨大變化(瓶頸效應及種群擴張) .最後,我們以歐洲櫟癭蜂(膜翅目,癭蜂科,癭蜂族)一系列入侵的數據為例對一些方法進行了說明.從500 10000年的時間尺度上,多態的等位酶位點上等位基因頻率的數據表明: 1 )遺傳多樣性沿入侵路線呈不斷下降的趨勢,支持了冰河期避難所作為遺傳多樣性中心的作用; 2 )入侵地區的種群與該物種原產地的種群相比,遺傳上的分化更為強烈.這種種群結構在空間上的變異可能是被櫟癭蜂開發的資源尤其是櫟樹寄主在斑塊上出現變異的反映The most common partitioned environment consists of a single database partition on each physical system that makes up the database partition cluster
最常見的分區環境由每個物理系統上的一個數據庫分區組成,這些物理系統組成數據庫分區集群。All of these lay a foundation for next part of the papers. in the next part, the article defines building as the enterprise incubator, makes an induction of common formation, and minutely analyses the internal factors, which affect design and constructioa according to these, ihe article sums up design content of office region, experiment region and information sustainment - system, then, gives a piece of option on building modeling design and landscape design. in the end, the paper brings forward some design principle and method through analyzing cases
論文接著對「企業孵化器建築」進行界定,歸納其常見形態,詳細分析了影響「企業孵化器建築」設計和建設的內在原因,對常見「企業孵化器建築」的研發辦公區、中試實驗區以及信息支持系統的設計內容進行分析和初步總結,對其建築造型和環境景觀設計提出了看法,並結合部分實例以便讀者形成直觀印象,最後提出了設計「企業孵化器建築」的原則和途徑。To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ,實現了電流(電壓)采樣?數據處理?電流控制的閉環控制結構;地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題;控制信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根據常規的比例?積分?微分( pid )調節模型,針對陀螺系統的特性,給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法;不同條件下系統穩流性能的對比、分析在論文最後給出,並據此找出了決定該系統穩流精度的關鍵因素,提出了系統的改進意見。But in more situations the random variables generating counting processes may not independent identically distributed, and in all kinds of dependent relations, negative association ( na ) and positive association ( pa ) are commonly seen. the research and apply in this aspect are rather valuable. in chap 2 we prove wald inequalities and fundamental renewal theorems of renewal counting processes generated by na sequences and pa sequences ; in chap 3 we are enlightened by cheng and wang [ 8 ], extend some results in gut and steinebach [ 7 ], obtain the precise asymptotics for renewal counting processes and depict the convergence rate and limit value of renewal counting processes precisely ; at last, in the study of na sequences, su, zhao and wang ( 1996 ) [ 9 ], lin ( 1997 ) [ 10 ] have proved the weak convergence for partial sums of stong stationary na sequences. however product sums are the generalization of partial sums and also the special condition of more general u - statistic
但在更多的場合中,構成計數過程的隨機變量未必相互獨立,而在各種相依關系中,負相協( na )和正相協( pa )是頗為常見的關系,這方面的研究和應用也是頗有價值的,本文的第二章證明了na列和pa列構成的更新計數過程的wald不等式和基本更新定理的一些初步結果;本文的第三章則是受到cheng和wang [ 8 ]的啟發,推廣了gut和steinebach [ 7 ] )中的一些結論,從而得到了更新計數過程在一般吸引場下的精緻漸近性,對更新計數過程的收斂速度及極限狀態進行精緻的刻畫;最後,在有關na列的研究中,蘇淳,趙林成和王岳寶( 1996 ) 》 [ 9 ] ,林正炎( 1997 ) [ 10 ]已經證明了強平穩na列的部分和過程的弱收斂性,而乘積和是部分和的一般化,也是更一般的u統計量的特況,它與部分和有許多密切的聯系又有一些實質性的區別,因此,本文的第四章就將討論強平穩na列的乘積和過程的弱收斂性,因為計數過程也是一種部分和,也可以構成乘積和,這個結果為研究計數過程的弱收斂性作了一些準備。The paper first summarizes the phylogeny of the sensor fault diagnosis, and then introduces the academic achievements during recent years. emphasizes on the two methods of sensor fault diagnosis : the method based on observer and the method bases on nn. by using them realizes the sensor fault diagnosis of power plant main - stream temperature system
本文介紹了傳感器故障診斷技術的發展歷程及近年來在該領域中取得的一些最新研究成果;對基於診斷對象數學模型的故障診斷方法和基於神經網路的故障診斷方法展開了深入的研究,並以matlab為模擬工具、以某火電廠主蒸汽溫度系統溫度傳感器為研究對象,應用上述兩種方法分別設計了傳感器故障診斷系統,通過系統模擬證明該診斷系統能夠診斷出多種常見的傳感器故障。Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then , a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable , in conventional analysis and design of steel structures , it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design , but cannot precisely reflect structural practical circumstance and the errors of calculating results are large , even , get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 , 10 ) , however , it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper , at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring , base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been
本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法,供規范使用過程的補充、延伸或參考;同時,也將促進半剛性連接鋼框架設計技術的發展,為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型,在分析比較的基礎上,選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型,通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知,經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接點的轉動剛度,根據梁的轉角位移方程推導出半剛性連接的剛度矩陣,在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響,並對固端力進行了修正,最後用增量迭代法編制有限元程序進行計算和分析。Institutional economics is its basic theoretical clue. the institutional approach includes : transaction cost is a basic view for housing finance institutions and a certain institution follows the principle of minimum transaction cost ; financial deepenness and financial function theories are important ways to understand housing finance institution ; a systematic institutional structure of housing finance comes from the interaction of social economy, culture and politics, and institutional bundling and embeddedness are common forms ; financial structure theory is a forceful quantitative way to analyses housing finance institutions ; minimization of transaction cost is the basic motivation for institutional transformation, and the basic ways are forced transformation and induced transformation ; equity and efficiency are basic criteria for evaluating housing finance institutions, which may implement through certain institutions while government acts as leverage between equity and efficiency. ( 2 ) multiformality and transformation of housing finance
制度經濟學是基本的理論線索,制度分析範式包括如下方面:交易成本是考察住房金融制度的基本視角,特定的住房制度安排遵循約束條件交易成本最小化原則;金融深化和金融功能理論是理解特定住房金融制度安排的重要輔助方法;整體性住房金融制度結構的形成是包括社會經濟、文化、政治等各類制度在內互相影響、平衡的產物,制度捆綁和制度嵌入是常見的形式;金融結構方法是用制度分析方法解釋住房金融制度的有力的定量分析工具;住房金融制度變遷的基本動因是交易成本最小化(外部收益內部化) ,變遷的基本方式是強制性變遷和誘致性變遷;公平和效率是住房金融制度評價的基本標準,公平和效率通過一定的制度安排可以同時實現,政府在住房金融制度中起著平衡公平和效率的杠桿作用。Starting with the definition and character of kidnapping, based on the traditional theory of the composition of crime, and combined with examples of cases, this paper thoroughly expounds and analyzes some controversial views in the theory of criminal law, concerned with the composition of the aforementioned crime, i. e. requisite to object, range of object and subject, and subjective characters, etc. and thereby draws a conclusive point of view which is in correspondent with the legislative spirit
綁架犯罪歷來是最嚴重且較為常見的犯罪現象之一。依傳統的犯罪構成理論為平臺,從綁架罪的概念和性質入手,結合實際案例,對刑法理論界構成本罪的客體要件、客觀方面、主體范圍和主觀特徵等分歧的觀點,深入地進行闡述和評析,進而得出符合立法精神的結論性觀點。For example, the word lengths of voynichese form a binomial distribution ? that is, the most common words have five or six characters, and the occurrence of words with greater or fewer characters falls off steeply from that peak in a symmetric bell curve
舉例來說,伏尼契文的文字長度呈現二項分佈,也就是最常見的字由5 ~ 6個字母組成,字母較多或較少的字,出現的頻率和對稱鐘形曲線的最高峰相比,大幅降低。As if the atrocities committed by terrorists and sectarian death squads in iraq weren ' t bad enough, kidnapping has become one of the country ' s most common forms of crime since the fall of saddam hussein
自從薩達姆倒臺后,恐怖分子和宗派主義死亡小分隊所犯下的暴行好象不是那麼糟糕,而綁架已成為了這個國家最常見的犯罪形式In this text the basic theories and the applied truss of the network monitor and control the system are discussed firstly, the inevitability is also analyzed about monitor and control network facing with the frequent safety threaten. then i research each safety aspect of network remote monitor and control system through academic study, engineering practice and a lot of simulation experiment. at the same time i research deeply and systemically in the popular virus problems and the dangerous hacker ' s attack
本文討論了網路監控系統的基本理論和應用構架,分析了監控網路面臨經常的安全威脅的必然性,然後通過理論研究、工程實踐以及大量的模擬實驗,對網路遠程監控系統安全性問題的各個方面進行了廣泛的研究,對其中最常見的計算機病毒問題以及最可能造成嚴重危害的黑客攻擊問題進行了深入系統的研究。分享友人