expression method 中文意思是什麼

expression method 解釋
表達法
  • expression : n 1 表現，表示，表達。2 詞句；語句，措辭，說法。3 表情，臉色，態度；腔調，聲調。4 【數學】式，符...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss

    將缺失型pap基因克隆到植物表達載體pbi121中，通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中，然後採用葉盤法，在該農桿菌的介導下將pap基因導入普通煙草中，經過卡那黴素抗性篩選，最後獲得了轉pap基因的工程煙草植株，摩擦接種煙草花葉病毒（ tmv ） ，與非轉基因煙草相比，能夠推遲癥狀表現達2月之久，說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。
  2. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析，得出了差頻相位的具體表達式，表現出了要檢測的各量的物理意義，對檢測的方法提供了理論依據。利用二維fft方法，可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題，採取時間波門的處理方法。
  3. It consists of fusiform neurons with intensely expressed neuropeptides in the fibers, terminals, and neuronal somata. functional connections between the mrd and hippocampus, amygdala and the basal nucleus of meynert were identified by c - fos expression method [ 14 ]

    Nmdar在谷氨酸中樞神經系統的許多功能上具有關鍵作用， nmda受體激活后可引起神經元細胞膜對na + 、 k +和ca2 +通透性增強，產生興奮性突觸后電位。
  4. This paper starts with interrogatory with capm ; analyzes the most basic risk concept, the risk expression method ; clarify the concept of systematic risk with idiosyncratic risk ; questions about marketing portfolio, diversification investment. then, we accept the capm as a reasonable first order approximation

    本文的思路是先破后立，將研究的起點放在對capm的質疑上，從分析最基本的風險概念、風險的表示方法入手，層層抽絲撥繭，對系統性風險與非系統性風險的劃分、市場組合、組合投資等概念提出疑問。
  5. The detailed works are as follows : the finding patterns problems in the time - series data sequence are described, and a new trend logic expression method is introduced, and its algorithm and experiment result of algorithm are given ; time - scries data are disposed, and using the arctg. slope of line as the sample of pattern recognition, so ignoring the aberrance of pattern in the classified. in addition, a new time - series pattern finding algorithm based on higher - order neural network is put forward

    同時給出了本文的具體的工作，主要是：對在時序數據序列中發現模式問題進行了描述，並介紹了一種新的趨勢邏輯表示方法，給出了其演算法及演算法的實驗結果；對時序數據進行處理，提出了利用線段的斜率反正切值作為模式識別的樣本，從而在分類時忽略模式的畸變；另外，還提出了一個新的基於高階神經網路的時序模式發現演算法。
  6. Taking this as a base, a concept of believability has been introduced, and the expression method of criterion of fuzzy critical hole expansion ratio under the upper and lower approximation set of rough set theory was advanced

    在此基礎上，引進可信度的概念，提出模糊臨界空穴擴張比判據在粗糙集理論的上、下近似集下的表示方法。
  7. On the basis of the criterion of critical hole expansion ratio and data of experiment, the expression method of fuzzy number was put forward, and the criterion of fuzzy critical hole expansion ratio was established

    摘要根據臨界空穴擴張比的判據和試驗數據，提出模糊數的表示方法，建立了模糊臨界空穴擴張比判據。
  8. Throughout my work, the expression method is not the core, rather i prefer to focus on the elements of the masochistic and ironic humor or the comical tragedy

    在我所有的作品中，表達方式並不是重點，而是想聚焦于被害者的特性，以及諷刺性的幽默或是卡通式的悲劇。
  9. Through importing object oriented knowledge expression method, it establishes object oriented diagnostic bayesian networks ( oodbn ) frame and its knowledge operating methods including storage and pick - up, which erects an effective knowledge expression method for complex devices " dbn models. 4. in order to handle the construction and reasoning problems, a hierarchy dbn model construction method is established, which is based on top - down idea, and which provides a systemic principle for dbn construction of complex devices

    針對復雜設備診斷知識表達存在的困難，引入面向對象的知識表達方法，建立了面向對象的診斷貝葉斯網路的知識表達體系，提出了基於關系數據庫的知識存儲和國防科學技術大學研究生院學位論文提取方法，為復雜設備診斷貝葉斯網路模型建造建立了一種有效的知識表達方法。
  10. In this paper, overall design philosophy and measure while diagonose the prefabricated substation using ann theory are defined, including the definition of fuzzy expression method for fault symptoms, the definition of typical fault collection and typical fault sign collection, the definition of the format of the learning sample and test sample, and the definition of fault diagnosis model formed in coordination by multi ann whose diagnosis principle are also described. a practical software using visual c + + 6. 0 and access2000 as developing instrument are developed on the basis of diagnosis principle put forward by this paper

    本文確定了應用神經網路理論對箱式變電站進行故障診斷的總體設計思想和步驟：確定了監測數據的預處理模糊化方法；建立了箱式變電站典型故障集和典型故障徵兆集；確定了學習樣本的格式，完成了學習樣本的生成；確定了神經網路結構和參數，並對學習樣本應用本文的學習演算法進行了學習訓練，使誤差控制在給定范圍內；以集散監測診斷系統的思想，提出了由多個神經網路協同構成的多神經網路故障診斷模型，並論述了其診斷原理。
  11. Firstly, in this paper, we review the histories of xml and xml database, and all kinds of data models used widely now. then we review traditional access control policies and policies specially used on xml, and present a new expression method of access set on xml based on child tree of w3c data model. and we bring rbac model into xml database and present a new xml access model x - rbac. because the usage of data in databases has high frequency, we present an ids model based on access set density to logging the potential security threats. and then we introduce the design and implementation of a prototype of our native xml database nhx and its access control system. finally, we draw a conclusion for this paper and the future work

    本文首先回顧了xml及xml數據庫的歷史，並總結了目前廣泛使用的xml數據模型，在分析了各種傳統數據庫訪問控制策略，以及xml的專有訪問控制策略的優缺點后，基於w3c的xml數據模型，提出了一種基於子樹的具有高彈性的便於實現的的訪問區域表示法，並將rbac模型引入進來，提出了一種適用於xml數據庫的訪問控制模型x - rbac ，同時為了區分xml數據庫訪問中的合法訪問和合理訪問，我們根據數據庫訪問具有頻繁性這一特徵，提出了一種基於區域訪問密度的入侵檢測模型（ ids ） ，以對隱藏在正常訪問中的潛在安全威脅進行報警和日誌。
  12. Firstly, according to the characteristics of the relative knowledge during the course of designing stilling basin, a new expression method of knowledge - object - oriented expression method has been designed after many usual expression methods of knowledge has been analyzed and compared with

    首先，針對消力池設計專家系統中知識的特點，在研究、分析、比較多種知識表示方法的基礎上，設計出適合於消力池設計的知識表示方法? ?面向對象的表示方法。
  13. The expression method of knowledge and the inference machine, which are the most important parts of the system, have been studied, and the overall frame of the system has been designed

    本文主要是對該系統在設計開發中的知識表示、推理機制以及整個系統的框架構建進行了研究。
  14. Secondly, in order to efficiently use the knowledge and improve the believable degree of the system, the object - oriented inference method matched with the object - oriented expression method has been given

    其次，在分析了常用的幾種推理方法的基礎上，提出了與知識表示方法相匹配的面向對象的推理機制和方法。
  15. It gives a new expression method for the solution of often coefficient linear siuu1taneous differential equation, with the aid of uneven sublinear system of equations ' s standard base solution matrix nature, gradually approximation, derivative principle, the text give the limited form of this system of equations solution and the developments for the contents of literature

    摘要提出了常系數線性微分方程組解的新的表達方式，藉助齊次方程組的標準基解矩陣的性質、逐步逼迫法、導數法則，給出了這個方程組解的有限形式。
  16. A new knowledge expression method is given by analyzing, summarizing setting principles of relay protection. it improves the application level of relay protection software. the system is built up with c / s model, which solves the problems involving multiple users and data share

    通過對電力系統繼電保護及其整定原則的分析、總結、抽象，設計實現了一套完整開放的知識建立、知識表達方法，提高了整定計算軟體的實用化水平。
  17. The level conception is delivered in the knowledge expression method, which raises the infer efficiency and reduces the search range of rules greatly

    在知識表達中提出級別的概念，極大地提高了推理效率，縮小了規則搜索范圍。
  18. Yuan kejia and poetry expression method of jiu ye group

    袁可嘉詩歌批評的現代主義特性
  19. The level conception is delivered in the knowledge expression method, which raises the infer efficiency and reduces the search. htm range of rules greatly

    在知識表達中提出級別的概念，極大地提高了推理效率，縮小了規則搜索范圍。
  20. In chapter four, based on the analysis and comparison of the three ways of knowledge expression, we put forward the knowledge expression method of this spc expert system. in this chapter, the management and maintenance of the knowledge base is discussed

    本章在對當前5種知識表達方式進行分析比較的基礎上，結合所構建系統的實際需要，採用產生式規則方式來表達規則知識，用框架結構來對過程質量信息等靜態知識進行描述。
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