數學次常式 的英文怎麼說

中文拼音 [shǔxuécìchángshì]
數學次常式 英文
mathematical subroutines
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 數學 : mathematics
  1. The double - base teaching is one of traditional features in the mathematics " education in our country, which focuses on how to cultivate the students " inquiry ability in the daily teaching. first of all, from the beginning of the double - base teaching, we pay attention to the original knowledge during the teaching of concepts, definitions, theorems and formulas. in the case of exercising lessons, we conclude, summarize and train the student ' s emanative ideations

    重視雙基教學是我國中學數學教學的傳統特色，在日常教學中培養學生的探究能力，應首先從雙基教學開始：在概念、定義、定理、公式的教學中注重知識的起源；在例習題教學中，注重歸納、小結及訓練學生的發散思維能力；在復習課的教學中注重各知識的相互聯系；其次，由於數學開放題具有良好的探究功能，因此，在日常教學中適當創設數學開放題，也是培養學生探究能力的一個重要途徑。
  2. Based on the first and second laws of thermodynamics and energy level theory, analyses the primary energy ratio, exergy efficiency and energy level difference of the household gas driven air conditioner at different conditions, and compares them with some other commonly used modes

    摘要運用熱力學第一定律、第二定律和能級分析理論，對戶式燃氣空調各種工況下的一次能源利用系數、 （火用）效率和能級差進行分析，並與幾種常用的方式進行對比。
  3. 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。
  4. The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found

    本文對現有氣隙式電感傳感器在原理和機械結構上作了深入的分析，對其參數進行了靜態標定；並且針對常規電感傳感器動態響應低，不宜用於快速動態測量的缺點，引入測試系統動力學的思想，設計了一套動態校準系統，對現有傳感器進行多次動態校準，根據動態校準的實驗結果對現有傳感器建立數學模型，得到現有傳感器的動態特性；在此基礎上，根據磨床工件在線檢測的要求，設計一個硬體補償系統來提高整個測試系統的動態特性。
  5. Through interview and investigation to the audiences and the principles from 6 volleyball clubs in 2005 - 2006 national league matches ’ season, the results indicate that most of the clubs don ’ t have a unified criterion in ticket layout designing. since the advertisement is usually combined with the ticket, it is not convenient for the consumers to get the relative information ; most of the clubs grade the tickets, but the price is usually above audiences ’ expectation which generally is concentrated in 20bmb and 30 ? 50 rmb ; the booking channel is not sufficiently unobstructed in some degree, and 37. 29 % of the interviewed audiences felt inconvenient, 3. 32 % met difficulty buying the ticket. those who consider convenient account for 59. 39 % ; advertisement is taken by most of the clubs as the common promotion strategy, while another promotion way that is to utilize public relation doesn ’ t get enough recognition ; most of the clubs don ’ t launch any market investigation before they make ticket marketing strategy and what ’ s more 4ps strategy unit lacks scientific theoretical basis

    通過對2005 - 2006賽季全國排球聯賽6個排球俱樂部的門票經營負責人員和現場觀眾進行訪問、調查，結果表明:大部分俱樂部的門票版面設計不科學、不合理，缺乏統一的標準，門票和廣告多為聯體型，消費者不易從中獲取信息;大部分俱樂部都制定了不同檔次的門票，門票定價不盡合理，有些偏高，現場觀眾願意接受的全國排球聯賽門票價格集中在20元左右;售票渠道還不夠通暢，在購買門票時仍有37 . 29 %的消費者感到不方便，有3 . 32 %的消費者感到非常難，感到購買門票方便的消費者佔59 . 39 % ;在選擇門票促銷方式時，廣告已經成為大多數俱樂部普遍採用的促銷方式，利用公共關系進行促銷還沒有得到各俱樂部的足夠重視;大部分俱樂部在制定門票市場營銷策略時都沒有經過市場調研， 4ps策略還缺乏科學的理論指導。
  6. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  7. Secondly, from the view of the analysis of potential science, the teaching mode of the basic constants in physics is presented. thirdly, on one hand, author analyses the basis of epistemology, scientific philosophy and psychology of the teaching mode, on the other hand, author investigates the potential properties and shapes of the basic constants in physics. at the same time, it is also given the path of applying the theories and methods of potential science to the teaching of the basic constants in physics

    本論文首先，扼述基本物理常數「潛? ?漸顯? ?顯? ?漸潛… … 」潛科學分析的分析理念；其次，探討基本物理常數潛科學分析的教學模式：提出問題，引起認知定向呈現進化過程，挖掘物理內涵揭示並闡述潛科學特徵採取有效途徑，培養科學素質再次，一方面從理論上闡釋基本物理常數潛科學分析教學模式的認識論、科學哲學和心理學依據，另一方面從實踐上闡釋基本物理常數的創造性、反常性、待定性、隱變性、高難性及趨顯性等潛科學特徵，同時提出科學問題、科學幻想、科學猜測、科學經驗、科學悖論、科學蒙難、科學論爭、科學失誤、科學伯樂、科學潛才等潛科學形態與方法應用於基本物理常數教學中的途徑。
  8. We find that the cosmic scale factor has the form of exponent inflation if the cosmological constant contributes to the positive material density, and the factor is composite function of cosine if the cosmological constant contributes to the negative material, furthermore, we gain the new formality of the pressure and the temperature in the procedure of cosmological evolution

    首次發現當宇宙學常數對物質密度的貢獻大於零時有指數復合函數的型得一般暴漲，當宇宙學常數對密度的貢獻小於零時宇宙有餘弦形式的演化。通過對宇宙中壓強和溫度的計算，得到新的壓強表達式和暴漲宇宙模型中溫度隨時間演化的表達式。
  9. The paper puts forward the clustering algorithm includes : clustering based on grid and iterative, enhanced clustering algorithm base on density and k - medoids, enhanced k - means algorithm ( optimize chooseing consult _ points in iterative process ), enhanced clustering algorithm base on distance. they can overcome many limitations ( some traditional algorithms terminate in local optimization. many results of cluster are roundness, too many times in partition iterative process ), which are related to the static architecture of traditional model

    在傳統聚類演算法的基礎上，結合我們科學數據挖掘的應用對象?分子動力學數據，提出了迭代網格聚類演算法， k -平均和基於密度結合的聚類演算法，迭代過程中優化選擇中心點的k -平均方法，以及改進型的基於距離的聚類演算法等模式識別方法，能夠解決傳統演算法帶來的諸多問題（比如一些傳統的聚類演算法常常收斂于局部最優，發現都模式都趨近於球形，劃分方法中迭代次數過多帶來的效率問題） 。
  10. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試，得到了常用生土建築材料的密度、比熱和導熱系數等參數值，得到了生土建築圍護結構的等溫吸濕平衡曲線的擬合函數關系式；此外，研究了生土建築圍護結構表面質交換系數實驗測定方法，探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。
  11. When high school students are solving chemical problems, they usually choose a familiar way to represent the problem, or sometimes may use several representation methods ( symbol representation, mathematical representation, chart - word representation, words representation and so on ) to represent the same problem. problem representation has difference in levels and sorts. the appearance of the problem and the problem solver ' s knowledge structure largely affect the problem representation

    在解決化學問題時，中學生通常以一種自己熟悉的表徵方式表徵問題（也常使用符號表徵、數學表徵、圖文表徵、言語表徵等多種表徵方式表徵同一個問題） ；學生在問題表徵中存在著問題表徵的層次和種類差異；問題的呈現方式和問題解決者的知識結構較大程度地影響著問題表徵。
  12. Mathematics method of thinking opposite to starched mathematics knowledge is fuller of vitality, mathematics knowledge is a result, but mathematics method of thinking pays attention to the formation of the result ; mathematics knowledge is recorded down with letter, sign, sketch. . etc explicit esse, but mathematics method of thinking usually tacitly exsits in the formation of concept, formula, rule, axioms and the process of problem - solving ; mathematics method of thinking is the knowledge to be placed in the higher than mathematics knowledge, if we assimilate knowledge to a key, then, mathematics knowledge opens the door of a certain realm, but mathematics method of thinking could open the door of the different realm

    相對于數學知識的呆板而言，數學思想方法更富有生命的味道，數學知識是結果，而數學思想方法關注結果的形成過程；相對于數學知識的以文字、符號、圖形等外顯的形態直接記錄下來的存在方式，數學思想方法則常常以內隱的形式存在於概念、公式、法則、定理的形成過程和問題解決的過程之中；數學思想方法是比數學知識處于更高層次上的知識，如果用把知識比作鑰匙，那麼，數學知識開啟的是某一領域的大門，而數學思想方法可以開啟不同領域的大門，比數學知識更富有指導意義。
  13. Aiming at the limitation of basic evolution strategies, a kind of growth mechanism - based evolution strategies and its realization are introduced. chapter three presents the evolution strategies - based optimizing of seaport container logistics system, firstly the structure of chromosome is introduced, then a kind of hybrid mutation operation is used, the detail process of the optimizing method is also described, finally the traveling sequence optimization of the containers is introduced as an example to testify the feasibility of the new optimizing method

    在以往的港口物流系統規劃研究中，遺傳演算法和模擬退火法是經常採用的數學方法，第三章首次研究了基於生物進化策略的港口集裝箱物流系統優化方法，提出了一種基於混合變異的自然數編碼進化策略演算法和染色體的構造模式，並以集裝箱運送順序優化問題為例，實現了基於生物進化策略的港口集裝箱物流子系統的優化。
  14. The authors first apply basic theory of equivalent heat drop on the common circulation heat calculating model for thermal system in supercritical pressure power unit with second reheat cycles and other kind of condensing steam turbine by mathematical derivation strictly, based on the normal energy balance and theory of equivalent heat drop, aiming at characteristics of thermal system in which there are outer steam coolers that high pressure heater and low pressure heater carry

    摘要以常規熱平衡方法和等效熱降理論為基礎，針對二次再熱超臨界機組熱力系統高低壓加熱器均設置外置式蒸汽冷卻器的特點，經過嚴格的數學推導，將等效熱降理論應用於二次再熱超臨界機組熱力系統循環吸熱量計算的研究，並提出了適用於不同類型凝汽式機組的通用數學計算模型。
  15. Secondly, comparing with the algorithm that was given by english scholars a. k. nandi and e. e. azzouz in 1995, this dissertation presents a modified automatic recognition algorithm of six kind of digital modulation types such as 2ask, 4ask, 2psk, 4psk, 2fsk and 4fsk, which only uses four key features, and has a very great exaltation in the rate of correct recognition and the performance of signal to noise, we puts forward the constitution of the best threshold which is applicable to the signal that changes within the scope of the signal to noise rate ( snr ) from 5db to 30db, and the overall success rate is not lower than 92 % when snr is over 7db

    其次，針對1995年英國學者a . k . nandi和e . e . azzouz提出的針對2ask 、 4ask 、 2psk 、 4psk 、 2fsk和4fsk這六種常用的數字調制信號識別的演算法，提出了一種數字信號調制方式識別演算法（ dmra ）的改進演算法。該演算法僅利用四個特徵參數，就可以識別這六種調制方式，而且在調制識別率和信噪比性能上都有了很大的提高，能夠在信噪比不低於7db時，對實際信號的識別正確率高於92 % 。並且提出了最佳門限的設置方法，設置的門限適用於信噪比在5db ~ 30db范圍內變化的信號。
  16. Another 20 kinds of non - designed contact points are given for the first time. contact determining algorithm of all the above contact types is given using z - buffer algorithm for 3 - d observation, and simulation results show high accordance with results of vector - associated method. simulation for non - designed contact mode with random initial conditions has been done too, and statistics from the simulation indicates that it is important to predict non - designed contact points in practical rvd efforts

    全文的工作包括以下幾個方面的內容: 1 .建立了周邊式對接機構的復雜幾何外形的數學描述，描述了對接初始條件范圍內，兩對接機構相互接近、捕獲過程中可能出現的20種設計接觸模式，並針對初始接觸點首次提出20種非設計接觸模式;利用計算機圖形學中可見面判別的z -緩沖演算法原理，給出了所有接觸模式的檢測演算法，該演算法的模擬結果與輔助向量法高度一致，驗證了演算法的有效性;進行了300組確定首次接觸點的隨機模擬，統計結果表明，在飛船上實時進行非設計接觸模式的預測是非常重要的。
  17. Different vocal behavior models were given from sound spectrum analysis for different songs. based on rule sonagram, quantitative analysis and qualitative analysis, difference comparative analysis in and between individuals for different songs were developed, and obtained the sresuls were as follows : ( 1 ) acoustic properties of male songs were that there were less syllables in every single calling song, it was usually more t

    通過對不同鳴聲的聲譜分析，給出了不同鳴聲的聲行為模式，並在常規聲圖的基礎上，對不同鳴聲進行了定性與定量分析、個體內差異比較分析以及個體間差異比較分析，得出結果如下： （ 1 ）雄性的鳴聲特性是每個單次叫聲中含有的音節數較少，一般不超過4個音節；而雌性的鳴聲特博士學位論文摘要東北農業大學仿毀刨會次叫聲？
  18. The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out

    在求解過程中，假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成，首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場：以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域，由於場源放置在內邊界面上，使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程，利用分離變量法求解，根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數，從而得到各場區矢量磁位的表達式。
  19. Based on theory and software of gis, the thesis do some application research on the application of geographic information system to transportation planning, which is pertinent to characteristic of transportation planning and combined with actual circumstance of traffic zone and road network in certain city. during the process of transportation planning and by theoretical base and software development system of gis, basal database is founded, which consists of spatial database and attribute database in information system of transportation planning. the system provides corresponding tools for editing and modifying graph data and can flexibly do some operations such as adding, deleting and modifying and so on

    本論文就地理信息系統在交通規劃中的應用進行了研究，在gis的理論基礎和軟體開發平臺的基礎上，針對交通規劃的特點進行了gis的二次開發，結合某城市主城區交通小區和道路網路的實際例子，建立交通規劃信息系統的基礎數據庫，包括空間數據庫和屬性數據庫，並提供相應工具對圖形數據和屬性數據進行編輯和修改，可以非常靈活地對它們進行增、刪、改等操作，對交通規劃的前期預測、交通需求預測、交通分配及規劃方案的評價進行了探討，最後，對交通規劃成果進行可視化輸出，如製作各種專題圖，從而將地理信息系統和交通規劃結合起來，形成交通規劃信息系統，將交通規劃中具有空間特徵的信息進行可視化表達，為信息利用者提供直觀、清晰、全面的信息表達方式，提高了交通規劃決策的科學性和合理性。
  20. To achieve these goals, first of all, the national coding standards of various bar code systems have been learned. for the variety of bar codes, some commonly used id bar codes and 2d pdf417 bar code have been especially selected and their coding forms have been comprehended by consulting the national standard. secondly, computer algorithms for various bar code systems have been designed by combining the coding principles of various bar codes with the corresponding mathematic methods

    首先，了解各種條碼碼制的編碼國家標準，因條碼種類眾多，本課題特選取其中常用的幾種一維條碼和二維pdf417碼，查閱了相應的國家標準了解其相應的編碼形式；其次，結合各種條碼的編碼原理和相應的數學基礎知識，對各種條碼碼制進行了計算機演算法的設計。
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