數量級的概念 的英文怎麼說
中文拼音 [shǔliángjídegàiniàn]
數量級的概念
英文
national order of magnitude- 數 : 數副詞(屢次) frequently; repeatedly
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 級 : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
- 的 : 4次方是 The fourth power of 2 is direction
- 概 : Ⅰ名詞1 (大略) general outline 2 (神氣) manner of carrying and conducting oneself; deportment ...
- 念 : Ⅰ動詞1 (看著文字發出聲音; 讀) read aloud 2 (上學) study; attend school 3 (想念; 考慮) think...
- 量級 : order of magnitude
- 概念 : concept; conception; notion; idea
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In the later eightieth, the notion of visualization was established, during the ten years, the computer and computing technology developed and the observation facility advanced, we have got abundant data, and it is hundreds of times or thousands of times than the past. scientists often have to treat data measured by hundreds of megabyte or thousands of megabyte, and have difficulty in treating so large quantity of data
科學計算可視化的概念是80年代末被正式提出的,在這十多年裡,計算機與計算技術飛速發展,數據觀測儀器設備有很大的進步,生成了大量的科學數據,數據量級增長了百倍至千倍。6 ) the number of concepts in cyc ? kb > the number of concepts in agricultural ontology > the number of concepts of horticulture > the numbers of core concepts in floricultural ontology. the structure of number distribution of concept among general ontology, upper domain ontology and domain ontology li
概念數量與其所涉及到的上位學科乃至頂級本體中通用概念的數量呈倒金字塔型分佈,例如:通用領域概念數量>農業科學概念數量>園藝學科概念數量>花卉學概念數量In light of market risk, there are sensitivity measurement method and volatility measurement method as well as the concepts about risk measurement, such as variance, duration, 3 - coefficient, 5 - coefficient and value at risk. and in light of credit risk, there are accounting - based ratio measurement method and volatility - based measurement method, as well as the related concepts, such as credit rating, z - score, transition matrix, expected default frequency
其中,針對市場風險度量的方法包括靈敏度測量風險方法和波動性測量風險方法,與之相關的風險度量概念有方差、持續期、系數、類系數和在險價值;針對信用風險度量的方法包括基於財務比率的風險測量方法和基於波動性的風險測量方法,與之相關的風險度量概念有信用評級、 z分數、轉換矩陣、違約頻率。A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea
本文結合作者多年來對華鎣山隧道減少壓煤量研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學位論文技術研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大斷面車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究,在系統分析和歸納總結國內外相關研究成果的基礎上,系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則,給出了研究和解決近接施工問題的普遍方法,如數值分析先行,模型試驗、現場測試驗證等。Along with silicon ulsi technology has seen an exponential improvement in virtually any figure of merit, as described by moore ’ s law ; the miniaturization of circuit elements down to the nanometer scale has resulted in structures which exhibt novel physical effects due to the emerging quantum mechanical nature of the electrons, the new devices take advantage of quantum mechanical phenomena that emerge on the nanometer scale, including the discreteness of electrons. laws of quantum mechanics and the limitations of fabrication may soon prevent further reduction in the size of today ’ s conventional field effect transistors ( fet ’ s )
隨著超大規模集成電路的的發展,半導體硅技術非常好地遵循moore定理發展,電子器件的特徵尺寸越來越小;數字集成電路的晶元的集成度越來越高,電子器件由微米級進入納米級,量子效應對器件工作的影響變的越來越重要,尺寸小於10nm將出現一些如庫侖阻塞等新特性。量子效應將抑制傳統晶體管fet繼續按照以前的規律繼續減小。在這種情況下,宏觀的器件理論將被替代,可能需要採用新概念的晶體管結構。And through leslie matrix analysis, we deduced, except of the subpopulation at altitude 490m, the subpopulations of lilium tsingtauense will not die out if not been disturbed badly. we estimated the growth ability and resistance ability of both metapopulation and local population by use the method of quamitative analysis for population structura1 dynamics. the growth ability order is population l > population 2 > population 3 > population 5 > population 6 > metapopulation > population 4
川叩iqu n了e )復合種群研究摘要從種群年齡結構的穩定、衰退、增長概念出發,以種群結構參數為依據,運用加權法與條件概率乘法法則,定量椎導出衡量種群年齡結構及群落結構的動態指數,該方法克服了過去在植物種群結構動態比較評價中粗放的等級歸類劃分的缺陷,並能解決結構動態定量比較評價問題,因而認為有普遍使用的價值。In optimal decision model : ( t ) nine main environmental impact indexes are summarized and qualmed from the main aspect of environmental impact of road construction based on the principles of comparability and measurability ; ? calculate each index with analytic hierarchy process, and introduce the concepts of educing matrix and absolute coincidence matrix to adjust judgment matrix in order to meet with satisfactory consistency ; ( 3 ) introduce the distance to calculate the weight of expert ; ? analyze the relationship coefficients with gray relationship method, then integrate the weights of indices and experts with them to obtain the compositor of ail of the schemes
在方案優選模塊中:針對公路建設中環境影響評價滯後於公路建設的現象,將環境因素的影響提到設計階段,並對環境指標進行了重點分析,提出了用於比選的9個定量指標;採用層次分析法確定各級指標的權重,並對判斷矩陣予以修正;引入距離測度的概念解決各專家的權值問題;運用灰色關聯法分析各指標的關聯系數,並結合指標權重、專家權重,最終得到各方案的關聯度優劣排序。Firstly, a new joint filterbank precoders and decision feedback equalizers structure is proposed, and the corresponding optimization result based on the maximal mutual information criterion is derived. secondly, the concept of dt canonical model is proposed, which is very suitable for the task of blind signal processing based on the second - order statistical of the observations. thirdly, the methods of blind equalization and identification of the tv dispersive channels are researched systematically based on the proposed dt canonical model, and a subspace blind identification algorithm of the time - invariant channel matrix is developed
本文創新性的成果在於:提出了預編碼-判決反饋聯合均衡系統結構,並從理論推導得出了對應的最大互信息量最優化設計結果;首次提出了時變色散通道的離散正則模型概念,該模型適宜於利用觀察數據的二階統計量進行盲信號處理;基於離散正則模型對時變色散通道進行了系統的盲均衡和盲辨識方法研究,提出了對時不變通道矩陣的子空間盲辨識演算法;針對誤差傳播效應問題,提出了可以消除誤差傳播效應的兩級盲辨識演算法;提出了基於離散正則模型的直接盲均衡演算法;提出了基於特徵恢復思想的神經網路直接自適應盲均衡演算法。And use relative fitting error to measure statistical data non - uniform error ; then introduce the method systematically of using the fuzzy comprehensive evaluation method to carry on the overall superior test of the government statistical data quality. includes the establishment of step level appraisal target system, target weight determination, calculates the factor weight in various levels, uniform test of judgment matrix, and built up the final fuzzy comprehensive evaluation model of the government statistical data quality according to the above - mentioned standard ; finally selects the partial main social economy total quantity target from chinese statistics yearbook 2003 to carry on the real diagnosis analysis : ( 1 ) confirm these social economy total quantity targets using the description statistics and the k - s inspection method to obey the lognormal normal distribution. ( 2 ) according to the two levels of inspection methods which this article proposed to carry on accuracy and the overall superior test for these social economy total quantity targets
本文首先從統計數據及質量的涵義出發,全面系統的介紹了統計數據質量的概念;其次,從研究統計數據的分佈規律入手,對統計數據準確性檢驗問題進行了探討,利用對數正態分佈檢驗對反映研究對象規模大小的統計數據的質量及異常數據進行定量檢查和識別,並利用相對擬合誤差計量統計數據的非一致性誤差;接著系統介紹了利用模糊綜合評價方法對政府統計數據質量進行整體優度檢驗的思路,具體包括建立遞階層次的評價指標體系,指標權重的確定,計算各層次中因素的權重,判斷矩陣的一致性檢驗,並根據上述標準建立了最終的政府統計數據質量模糊綜合評價模型;然後通過從2003年中國統計年鑒資料中選取部分主要的社會經濟總量指標進行實證分析: ( 1 )利用描述統計和k - s檢驗法來驗證這些社會經濟總量指標服從對數正態分佈的規律; ( 2 )按照本文提出的二級檢驗法來對這些社會經濟總量指標進行準確性和整體優度檢驗,從而達到綜合評價政府統計數據質量的目的;最後對這種二級檢驗法的優點和不足進行小結,提出今後應該努力改進的方向。A two - stage hybrid scheme is proposedbased on the criteria that decreasing mode nuinber reasonably and different attention shouldbe given to different class control variables, i. e., at the begirming stage, a larger granu1arity isused to make ga searching the area contaning optimal sollltion with less generation. thehybrid scheme of binary and integer code distinguished by voltage level is of clear levelconception thus can search the high voltage control variables more carefully. crossover andmutation of ga are also refined on the basis of above scheme
並從合理減少模式數以及對不同變量給予不同程度關注的原則出發,提出了兩階段分層混合編碼方案:在遺傳演算法的開始階段,用較粗的粒度編碼,使遺傳演算法能夠用較少的迭代次數快速搜索到最優解所在的區域;按電壓等級分層的二進制和十進制混合編碼,具有清晰的層次概念,對那些影響較大的高壓網控制變量能夠有針對性地以更高的精度進行搜索。The present application status of gps technique in land management is expounded, especially, the status of establishing land use database for county ( city ) level is emphatically introduced, and its main problems are analysed. the conception, characteristic, and application of all kinds of positioning methods using gps are introduced. the technique scheme of land surveying control network and the technique scheme of acquiring high accuracy data of land resources using gps technique are designed, and the realization method of key technique is indicated
闡述了目前我國gps技術在土地資源管理中的應用狀況,重點介紹了縣(市)級土地利用數據庫建設的現狀,分析其存在的主要問題;介紹了各種gps定位方法的概念、特點及應用;研究設計了土地測量控制網的技術方案和gps技術獲取高精度土地資源變化數據的技術方案,指出了關鍵技術的實現方法;探索了gps技術在土地管理中其它方面的應用。The mathematical methods of theoretical analysis to determine some unknown or omitted parameters in combat efficiency theory of military aircraft based on the present models of combat efficiency of airforce equipment and the actual data of military operation are introduced in order to develop or improve the theory with practical work and some new concepts, such as combat efficiency and actual efficiency among airforce mission. for example, the combat efficiency usually comes from academic research and could be also called appraisal efficiency or static efficiency. after modified with actual data of military operation of past records which also could be seen like actual combat efficiency, confrontation efficiency and dynamic efficiency. through calculation and analysis it must be noted that the numerical value of actual combat efficiency is larger or much larger than the value of combat efficiency
通過應用現有的作戰飛機空戰效能的數學分析模型,在已有的歷史空戰實例資料數據的基礎上,進一步確定或者探討有關戰效分析的數學模型中的待定因子或者假想忽略不計的參數,進而對作戰飛機空戰時的效能評估的研究模型作一些驗證和完善性質的分析,從而提出有關戰斗機空戰時作戰效能評估的新思路或新概念.比如,通常所理解的作戰效能,也稱為評估效能或靜態效能,經過加權以後,形成實戰效能或對抗效能,也可稱為動態效能.經過計算分析,認為對抗效能的數量級別,要比評估效能的數量級別大,甚至很大After analyzing and studying the characteristics of the sequence generation of grey system theory, this paper proposes the concept of three - dimensional data sequence, extends the grey system theory from one - dimensional data sequence to three - dimensional data sequence and enlarges the application range of the theory in engineering. this paper also proposes a decomposition coefficient selection method and a partial concave - convex characteristic decision method to the preference generation, which can solve the problem that the internal point generated by the original method was inconsistent with the actual system. considering the errors existed in ends generation with step ratio and smooth ratio methods, the author proposes a tendency average generation and improves the quality of the generation greatly
灰色建模與逆向工程兩者有其十分相似的內在關系,本文通過學科交叉,深入研究兩種不同學科理論,在繼承灰色系統理論這一我國原創性理論思想的基礎上,補充和豐富了新的內涵並將其滲透到逆向工程中的數據測量與數據處理技術的應用之中,使機械工程中甚少應用的這一灰色系統理論得到了進一步的拓展,主要成果如下: 1 .分析研究了灰色系統理論中序列生成的特點,提出了三維數據序列的概念,將灰理論的一維數據序列拓展到三維數據序列,拓寬了灰理論在工程中的應用范圍;提出了有偏生成演算法中生成系數分解選取方法和數據序列點局部凹凸特性決定生成系數的方法,解決了原有方法生成內點與實際系統不一致的現象;針對級比和光滑比用於生成端點有較大誤差的情況,提出了趨勢均值生成演算法,大大提高了端點生成的精度。With the design of performance management and salary system as the core, the " position group " concept is first introduced into the project ; by studying and analyzing the existing organization structure, the quantity and quality of existing human resources and the existing management methods, the system of key performance index ( kpi ) which will influence the success of an enterprise is established ; salary levels is decided by the performance of an employee, the salary paid is closely matched with the performance of employees
該體系以績效管理和薪資體系設計為核心,首次引進了「職位族」的概念,對現有組織結構、人力資源的數量、質量及管理方法進行了認真研究和梳理,重建目標組織結構和結構核心流程,確定了影響企業成功的關鍵績效指標體系( kpi ) ,按職位族、類的工作績效設定薪資層級,實現了工作績效與報酬匹配的目標。分享友人