指數的形式 的英文怎麼說
中文拼音 [zhǐshǔdexíngshì]
指數的形式
英文
exponential form-
The simplest form of a composite index is an unweighted aggregates index.
綜合指數最簡單的形式是不加權數的總計指數。When diffusion controls, the moisture fraction decreases in a complex but close to exponential manner with time.
當擴散控制時,濕含量遵循著復雜的但接近於指數關系的形式而隨時間降低。The glob ( ) function returns an array of filenames or directories matching a specified pattern
函數的作用是:以數組的形式返回與指定模式相匹配的文件名或目錄。The instructions of the program have to be written in a numeric form.
程序的指令需要寫成數字形式。The standard method in western music has in recent centuries been by means of staff notation, but different forms of letter notation have been used, with imaginative forms of graphic notation in some contemporary music and, in earlier times, tablature, a combination of letters, numbers and staff designed for particular instruments
近幾個世紀的西方音樂所用的標準方法是採用五線譜的形式,但是運用了不同形式的音名,在一些現代音樂中運用的新形式的圖示記譜法,早期,指法譜,由專為特定樂器設計的字母,數字,五線譜組成。Returns the value of the specified column as a character array
以字元數組的形式返回指定列的值。Abstract : in this paper, the formal definition of composite objects was presented. semantics of composite object was specified and related to object - oriented concepts. then the semantics, creation and deletion of composite object were illustrated in terms of schema definition, which shows the integration of composite objects. meanwhile, the approach of implementing composite objects, including enforcement of the semantics of composite objects and its physical clustering, was also indicated
文摘:把復合對象和面向對象的概念聯系起來,在復合對象的形式定義后,指定復合對象的語義,然後根據模式定義來說明復合對象的語義,以及復合對象的創建和刪除.展示了復合對象數據整體性.同時還指出了實現復合對象的方法,包括復合對象語義的強制和物理聚集Returns the specified single - precision floating point value as an array of bytes
以位元組數組的形式返回指定的單精度浮點值。Returns the specified double - precision floating point value as an array of bytes
以位元組數組的形式返回指定的雙精度浮點值。The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method
本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還介紹了神經網路子模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因子分析等,提出了信用評價混合型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章介紹了面向對象技術,進而採用面向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形式描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面進行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically
本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題,新型橢圓凸輪波發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。Many tasks interact with systems to gather data in one particular format, and then transform this format to a standard form for native processing by an action, and render the results back to an application - specific format
很多任務就是和系統交互,收集一種特殊格式的數據,然後把這種格式轉換成標準形式,通過一個動作在本地處理,然後再把結果返回成一種應用程序指定的格式。It is necessary to optimize and perfect mathematics structures in mid - school mathematics teaching. viewing from general process, mathematics study is a process in which new learning contents and original mathematics structures act on each other and a new structure is then formed. viewing from meaningful study theory, any knowledge that students have learned is not fragmentary or isolated but constitute knowledge structures and build mutual relations between knowledges ; viewing from information - processing theory, we can improve our memorizing ability of working, if we can organize necessary information into " group lump " reasonably and effectively in the form of " structure " and concentrate more information into a new " group lump ". perfecting cognitiopn structures is an effective way in which our thinking can be suited to huge and long - term memorizing ; viewing from the theory of establshment, mathematics study means that subjects are forming a net - frame between new knowledge and all other factors so as to obtain new knowledge
中學數學課堂教學中優化和完善學生的數學認知結構的必要性,從數學學習的一般過程看,數學學習就是新的學習內容與學生原有的數學認知結構相互作用,形成新的數學認知結構的過程;從有意義學習理論看,學生所學的任何知識,都不是零碎的、彼此孤立的,而應按知識之間的關系,通過不同層次來構成知識的結構,建立知識之間的相互聯系;從信息加工理論看,如果人們採用「結構」的形式合理有效地組織必要的信息,成為「組塊」 ,可以讓更多的信息濃縮進不多的組塊,從而擴大工作記憶能力,而完善認知結構是使人的思維適應龐大的長期記憶的一種有效方法;從建構主義理論看,數學學習是指主體在把新知識與多方面的各種因素建立聯系的過程中,建構新知識與各方面因素間的網路構架,從而獲得新知識的意義。Integrated optomechanical analysis devides rigid - body and aberration, then computes the pv and rms. it provides guidance for design, tolerances allocation and alignment of optomechanical system. finally, abberations are converted to a sort of data form that can be imported by corresponding optical design software to observe their impact upon the optomechanical system imaging performance
光機集成有限元分析方法就是通過分離三種形式的剛體位移和光學表面畸變的pv值和rms值,指導光機系統的設計、誤差分配和裝調,並將數據轉換成光學分析軟體codev可接收的數據形式,對光機系統做整體成像性能評價。This paper improved these methods based on the requirements 0 there are two methods for conventional orbital control : one is algebra method which deals with the problems by optimization based on orbit geometry characteristics the first method is applied when we adopt impulsive control, but in the multiobjective cases the method has its limitation
傳統的軌道控制一般基於兩種方法,一種是代數優化方法,這種方法與衛星的軌道幾何特性相結合進行分析,將軌道的幾何特性和優化指標用代數方程的形式表示出來進行求解,這種方法主要用於沖量式控制。In the fourth part, we examine how to construct a poverty measure suitable to china. especially, we propose a new aggregation index, which is similar to s measure in formulation but has some properties s measure fail to satisfy
把貧困識別和貧困加總結合起來,並參照森指數的形式,我們提出了一個新的貧困加總指標,它具有森指數所不具有的一些性質。The hot electrons spectra with exponential form is obtained on basis of the fokker - planck equation, which is consistent with the experimental results
這種加速譜具有指數的形式,和實驗所得到的結果相符。According to the double - axis experiment and the uniaxial tension experiment, shear relaxation modulus and bulk relaxation modulus are obtained. fractional exponent models [ 23 ] [ 24 ] [ 25 ] are applied to shear relaxation modulus and bulk relaxation modulus. the theory is proved by constant amplitude cyclic strain experiment
通過雙軸拉壓實驗來確定材料的切變鬆弛模量,單軸拉伸實驗來確定材料的體變鬆弛模量,對這兩種模量均採用分數階指數的形式來進行擬合,再用等應變幅循環歷史的實驗驗證了理論,得到了較好的結果。An optimal model of pre - stress steel truss is presented based on reliability. the reliability index is replaced by subentry coefficient in optimal model restrict equation, and deal with corresponding restrict conditions with applied expressions. linear programming associated with full - constrained methods are used in this paper, which improve the profit of multi - pre - stress steel structure design and the reliability of structures as well as model and arithmetic
本文分析考慮可靠性的預應力鋼結構的優化理論,建立了基於可靠性的預應力鋼結構的優化模型,將可靠度指標以分項系數的形式引入優化模型的約束方程當中,以實用表達式形式處理相應的約束條件,並採用線性規劃和滿約束準則結合的方法進行優化,既提高了多次預應力鋼結構設計的效益,又保證了結構的可靠性,模型和演算法更加完善。The paper combined the stock index with the study on structure change. on one side it is because the stock index apparently has the characteristics of structure change and is representative of it ; on the other side, there are many confusing phenomenon arising in chinese stock market such as going opposite to gdp growth rate while growing in pace with net exports and currency supply
本文結合上證指數對結構突變進行研究,一方面是因為上證指數在形式上具有明顯的結構突變特徵,具有代表性;另一方面,中國股市呈現出了許多令人迷惑的現象,一方面,如與gdp增長率相背離,卻與凈出口、貨幣供應量等具有同步的特徵。分享友人