算符層次 的英文怎麼說

中文拼音 [suànfúcéngcì]
算符層次 英文
hierarchy of operator
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 符 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 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...
  1. In addition, the paper designs a bottom database model, selects a multi - aim strategy combining files with known data, and establishes dual interaction data model that has explicit conceptual structure and directly aims to geographic objects, and provides backing up enquiry language ( g - sql ). simultaneously, after analyzing and studying methods available for the under pipelines, the paper constructs survey adjustment calculation model, and according to the model, checks the survey of under pipelines. the results indicate that the model is suitable to actual requirement because it greatly increase calculation speed, meeting calculation accuracy requirement

    在此基礎上，對系統的底層數據模型進行設計，選擇了文件與成熟數據庫相結合的混合策略，併兼顧面向對象的數據庫（ oodb ）和可擴充數據庫（ edb ）的特點，建立了一個概念層次清晰、面向地理對象實體的雙層語義數據模型以及支持模型的查詢語言g - sql ，同時對地下管線的各種測試方法進行分析研究，建立了地下管線測量平差計算模型，並以此對所勘測的地下管線進行核算，計算結果表明，計算模型不僅大大提高了核算的速度，同時在計算精度上也符合核算的要求，是符合實際要求的關于測量平差計算的模型。
  2. It consists of two parts : the first part ( chapter 2, 3, 4, 5 ) studies the characteristic of elastic waves and surface waves in orthotropic fluid - saturated porous media using biot ' s theory which is based on the substitutive model. in the second one ( chapter 6 ), a new three - dimensional meso - calculating model, which is more coincided with the inner action mechanism of porous media, is proposed. based on this model, the elastic wave propagation in fluid - saturated porous media under longitudinal impacting is discussed

    論文主要分為兩大部分：第一部分基於替代模型的biot理論，對各向異性介質中平面波以及表面波的傳播特性進行了研究；第二部分從細觀層次出發，提出了一個更加符合含液飽和多孔介質內部作用機理的三維細觀計算模型，並對縱向沖擊載荷作用下液飽和多孔介質中彈性波的傳播規律進行了討論。
  3. In this paper, we first analyze the input and output as well as cost - benefit rate of chinese livestock industry by the example of hog, beef, mutton and dairy cow. then, we choose the samples from different regions in different time, use the stochastic production frontier suggested by battese and coelli ( 1992 ), which is aimed at the panel data ( balanced or unbalanced ), and make the econometric analysis for the growth of hog, beef, mutton, and dairy cow. different from the former research for livestock industry, the efficiency measurement theory is introdiced into the growth model and the tfp is dissolved into technical advancement, technological efficiency and residual, the translog production function is used to make the estimation more precised

    本文首先以生豬，肉牛、肉羊和奶牛為例對近年來我國畜牧業的投入產出和成本收益狀況進行了分析，然後採用battese和coelli在1992年提出的針對混合數據（ paneldata ）的隨機邊界生產函數形式，在不同地區選取一定的樣本，利用樣本省的時間序列與截面混合數據，對生豬，肉牛，肉羊和奶牛的增長因素進行了分析，與以往對于畜牧業增長研究不同的是，將效率測算理論引入生產增長模型，把全要素生產率分解為技術進步、技術效率和殘差項，並採取了更加符合實際的超越對數函數形式，使傳統上使用的索洛余值法得到改進，更深層次的剖析了我國畜牧業目前的增長方式。
  4. In this thesis, abundant statistical data are contained, two methods are employed to give a positive analysis on the elasticity of demand ( eod ) of i & e in china during the period from 1990 to 2001 from the following three aspects : firstly, regression analysis is applied to calculate the average eod of the general i & e. generally speaking, the export is rich in price eod while the import has a poor one. in addition, the absolute value of the sum of these two kinds of elasticity is higher than 1, which accords with marshall - lener condition and proves that devaluation of rmb should be helpful to improve the trade balance. suggestion is further provided such as cutting off producing cost of export, improving technology and implementing strategy of import substitution to improve trade balance

    本文運用豐富的統計數據資料、兩種方法、從三個層次實證分析了1990 - 2001年我國進出口商品的需求彈性：首先，運用回歸分析法計算總體進出口商品的平均彈性，得出我國出口商品總體富有價格彈性，而進口商品總體缺乏價格彈性，進出口需求價格彈性之和的絕對值大於1 ，符合馬歇爾?勒納條件，人民幣貶值有助於改善貿易收支的結論，並提出降低出口商品生產成本、提高生產技術水平、實施進口替代戰略來改善貿易收支；其次，運用彈性定義法逐年計算約100種主要出口商品和約50種主要進口商品的總體需求價格彈性，對其結果進行分析，進一步驗證了前述結論；再次，運用彈性定義法逐年計算農產品、鋼鐵、汽車、醫藥等五大類八種商品的進出口需求價格彈性，根據其不同的分佈狀況，聯系實際經濟情況，提出相應的匯率、價格及產業政策以改善貿易收支。
  5. Focusing on the present reform in the basic educational system and the formulation and implementation of the new standard of the curriculum of mathematics, we herein probe into the rationality of new teaching method of collective - teaching - plus - individual - tutorial on the one hand, and on the other hand, sum up the experience we ' ve drawn from this attempt so as to better improve the theory and put it into more practical use in teaching. this, however, is what we consider to be the key of success of this new teaching method

    本文的寫作立足於我國當前的基礎教育改革、數學新課程標準的制訂與實施，一方面是對分層遞進式教學組織形式的某些符合教育教學規律的因素作深層次的剖析，另一方面是對這場教學實驗已取得的成果與經驗作出認真的總結，以進一步促進分層遞進式教學理論的成熟與發展，進一步指導分層遞進式教學的實踐特別是計算機輔助教學（ cai ）參與分層遞進式教學的實踐，這也是分層遞進式教學模式能否深入發展、推廣的關鍵所在。
  6. Leading whitespace ( spaces and tabs ) at the beginning of a logical line is used to compute the indentation level of the line, which in turn is used to determine the grouping of statements

    邏輯行的前導空白（空格和製表符）用於計算行的縮進層次，層次然後用於語句的分組
  7. Second, by combining theories of strength of laminate with ga, a new gradient free optimization method with new code strategy is discussed. the representation itself does not change the nature of the problem, but effects the searching efficiency of the algorithm. so the representation of the parameters to be optimized is a very important factor and the new code strategy is also easy used with crossover operator and variation operator in ga applications

    其次，本文根據層合板優化設計的具體問題提出了一種符號編碼方式，雖然優化參數的基因編碼表達方式並不能改變優化問題的本質，但是不同的編碼表達方式對于遺傳演算法搜索的效率和最終的優化結果有著重要的影響，因此優化參數的基因編碼表達是遺傳演算法應用於工程問題中非常關鍵的一步。
  8. In this paper a newly develoed helical coordinates is used to make out the solution of electromagnetic fields in the helix gap and calculate dispersion characteristics of tape helix slow wave structure for the first time. strict boundary conditions for magnetic fields are adopted and are treated rigorously by fourier expansion. besides, the radial propagation constant of every layer in the dielectric - loaded region is differentiated. some of practical tape helix slow wave structures have been calculated for dispersion characteristics and the calculated values accord with measured values very well. the authors also compare the calculated results with experiments for different structures by changing tape thickness or other structure parameters and find that the theory in the paper is universal

    本文首次運用螺旋坐標系給出了帶狀螺旋線縫隙內的電磁場解，並據此計算了帶狀螺旋慢波結構的色散特性.文中採用了嚴格的邊界條件，並以傅立葉展開進行了嚴格的數學處理.另外還首次對有介質區域內各層的徑向傳輸系數作了區別.本文使用這種方法計算了我們已研製的一些寬帶高功率行波管所用的慢波線結構的色散特性，理論與實驗符合得很好.我們還計算了不同結構參數對色散特性的影響，並與實驗作了對照，發現本文的理論有一定的普適性
  9. For selection mechanism of participators, the author put forwards new measure factors system base on former researches, designs new measure model by integrates ahp and fce together, and tests the reliability of the model by demonstration. for benefit / risk allocation mechanism, the author adopts nash negotiation model as the calculate instrument because it ’ s basic theoretic hypothesis is very similar with the practical condition of ve, and tests the reliability of the model by demonstration. for the construction mechanism of enterprise culture, the author makes tow innovations which base on the character and practical condition of ve : firstly, the author put

    對于夥伴選擇機制，筆者以前人的研究為基礎，綜合考慮信任因素，提煉和提出了新的指標體系，將層次分析法和模糊綜合評價法結合起來，提出了更加科學合理的評審模型，並通過實證對指標體系和評審模型進行了驗證;對于利益/風險分配機制，考慮到nash協商模型的理論假設與虛擬企業的實際狀況比較符合，筆者採用該模型作為虛擬企業利益/風險分配系數的計算模型，並通過實證對模型進行了驗證;對于文化構建機制，筆者在總結傳統企業文化體系和構建過程的基礎上，結合虛擬企業的特點和實際情況，做了如下兩方面的創新:其一，在企業文化體系方面，提出了有別于傳統「四層」體系的基於「共同治理」的「三層弱化」體系。
  10. An operator in the wql where clause, that is used to retrieve instances from a class hierarchy

    Wql where子句中的一個運算符，用於從類層次結構中檢索實例。
  11. From the reductions of decision table defined by history fault data, a series of nodes network rule sets, with suitable belief degree under different reductive levels, is developed by calculating the rough subjection degree of every rule

    該方法從歷史故障數據所形成決策表的約簡出發，通過計算規則的粗糙隸屬度，形成不同簡化層次上符合置信度要求的節點網路規則集。
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