arithmetic expression 中文意思是什麼

arithmetic expression 解釋
算術表達式
  • arithmetic : n. 1. 算術，演算法；計算。2. 算術書。
  • 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...
  1. A radical is an indicated root of an algebraic or arithmetic expression.

    根式是一個代數或算術表達式的一個確定的根。
  2. The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus

    本文以大量的重載道路資料為主，從實際出發，結合理論計算，對重載標準進行了詳細的討論，分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了；同時，通過大量的水泥混凝土板底應力計算，推導出了混凝土面板荷載與板底應力水平的關系式；給出了水泥混凝土路面與瀝青混凝土路面的交通分級；通過對試驗路各結構層進行承載板測試，發現現有材料模量較以前有了明顯的提高；對比現場實測的當量回彈模量與理論當量回彈模量，指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料，從而提出了對理論模量的修正公式。
  3. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷方法中，採用了產生式知識表達和正向推理機制；在基於神經網路的故障診斷方法中，則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷，並對由模擬得到的不同診斷結果進行比較。
  4. Decision tree arithmetic can easily create an if - then expression. its accuracy can be estimated by k - fold cross - validation

    決策樹演算法的最大優點是能夠很容易地產生出if - then表達式。
  5. In the cobol system, the information represented by a data item, arithmetic expression, or conditional expression

    在cobol系統中，由一個數據項、算術表達式或條件表達式表示的信息。
  6. The following assignment statement will produce a compilation error because the arithmetic expression on the right - hand side of the assignment operator evaluates to

    以下賦值語句將產生一個編譯錯誤，原因是賦值運算符右側的算術表達式默認情況下計算結果為
  7. The thesis designed and programmed the facial expression recognition arithmetic program by using the method of basing - on - knowledge. the programming realized the inspection of the human face, the capturing and classification of facial expression features. in the test of the basic facial expressions of 5 groups of different people, 80 % facial expressions are distinguished

    採用基於知識的方法，設計並編寫了表情識別演算法程序，實現了人臉檢測、表情特徵提取和表情分類;通過對5組不同人的基本表情的識別測試，識別率達到80 % 。
  8. Chapter six discusses how to process the measured data and acquire the characteristic arithmetic expression

    第六章：介紹了如何對測量結果進行處理並求出參數間的數學關系式。
  9. Working at automatic mode the system can transmit the data to computer through the parallel port which work at epp ( enhanced parallel port ) mode. then the computer shows the characteristic relation curves and acquires the characteristic arithmetic expression. the sampling frequency reach to 4khz, the core of control system is microcontroller uint ( mcu ) 89c51 ， the data acquisition is 12 bite

    也可以工作在自動方式下通過并行介面（工作于epp模式） ，把測量到的數據輸入計算機，在計算機上顯示特性參數間的關系曲線，以及求出參數間的數學關系式，其采樣頻率可達4khz 。
  10. In the light of the method of top - down, the author put forward the concept of product function structure tree, which was used to express the product ' s function structure during the conceptual design. based on it, the product structure was expressedthe paper studies the definition of the function model which supports the method of top - down design, and the expression of function model based on binary - tree was also put forward in the thesis. for the abstract description of parts in the assembly level and the integration with other systems during the whole life circle of the products, the concept of assembly model was presented, the definiton, classfication and expresstion method of assembly feature was studied in this thesis. the representation of assembly relationship and data structure of the assembly model based on diagram was further studied. for the constraints transfer between function model and assembly model, an hierarchical component model is presented. an arithmetic of the change of assembly relationship when assembly model changing was also studied. fmally, a system named fb - tpms, which using object oriented programming technology and pro / toolkit, was developed

    為了支持在裝配層次上的零件的抽象建模，提出了骨架模型的概念，並討論了裝配模型的建立方法。根據前述裝配模型有關研究，探討了從功能模型到裝配模型以及從上一級裝配模型到下一級裝配模型的數據和約束傳遞問題，並用層次化單元裝配模型得以解決，同時提出了裝配模型變動時引起的裝配關系的變化的有關演算法。在論文的最後部分用用面向對象的程序設計方法，結合課題要求，研究了支持自頂向下設計方法的裝配建模系統fb - tpms 。
  11. When an update statement encounters an arithmetic error overflow, divide by zero, or a domain error during expression evaluation, the update is not performed

    當update語句在表達式求值過程中遇到算術錯誤（溢出、被零除或域錯誤）時，則不進行更新。
  12. When a delete statement encounters an arithmetic error overflow, divide by zero, or a domain error occurring during expression evaluation, the database engine handles these errors as if set arithabort is set on

    當delete語句遇到在表達式計算過程中發生的算術錯誤（溢出、被零除或域錯誤）時，數據庫引擎將處理這些錯誤，就好象set arithabort設置為on 。
  13. When an insert statement encounters an arithmetic error overflow, divide by zero, or a domain error occurring during expression evaluation, the database engine handles these errors as if set arithabort is set to on

    如果在表達式計算過程中insert語句遇到算術錯誤（溢出、被零除或域錯誤） ，則數據庫引擎會處理這些錯誤，就好像set arithabort設置為on一樣。
  14. During expression evaluation when set arithabort is off, if an insert, delete or update statement encounters an arithmetic error, overflow, divide - by - zero, or a domain error, sql server inserts or updates a null value

    如果set arithabort為off ，並且在對表達式求值的過程中insert 、 delete或update語句遇到算術錯誤（溢出、被零除或域錯誤） ， sql server將插入或更新一個null值。
  15. Describes xquery primary expressions, path expressions, sequence expressions, arithmetic comparison and logical expressions, xquery construction, flwor expression, conditional and quantified expressions, and various expressions on sequence types

    介紹xquery主表達式、路徑表達式、序列表達式、算術比較和邏輯表達式、 xquery構造、 flwor表達式、條件和定量表達式以及序列類型的各種表達式。
  16. In the paper, the characteristic of ecology environmental data and its integrated method were traversed. based on the geography methods, the paper studied on the general character of fujian provincial ecology environment and its data ' s integrated theory and method, then discussed the theory and method of ecology environment spatial data index, spatial analysis ' s design and arithmetic, analyzed the spatial data expression and vision theory and method, probed into the component technique and comgis

    本文詳細研究了生態環境數據的特點、生態環境數據的集成方法、以地學的研究方法全面、深入地研究了福建省生態環境的總體特徵，研究了福建省生態環境數據集成的理論與方法，生態環境空間數據的表現與可視化的理論與方法，生態環境空間數據索引的理論與方法，組件技術與組件式gis的理論與方法。
  17. Normally we would use the compiler generator tools lex and yacc to build that part of the program which recognizes an arithmetic expression

    一般說來，我們將要通過規定的編譯工具和另外的某編譯器來生成能計算這個算術運算的目標程序。
  18. The dissertation mainly deals with the data acquisition circuit, the communication between measuring instrument and computer and how to process the measured data and acquire the characteristic arithmetic expression

    測量儀採用89c51單片機作為其控制核心，其數據採集解析度為12位。本文重點討論了數據採集電路的實現、儀器與計算機的通信以及對測量數據的處理。
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