相對代數數域 的英文怎麼說

中文拼音 [xiāngduìdàishǔshǔ]
相對代數數域 英文
relative algebraic number field
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ動詞1 (代替) take the place of; be in place of 2 (代理) act on behalf of; acting Ⅱ名詞1 (歷...
  • : 數副詞(屢次) frequently; repeatedly
  • : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 數數 : c counts
  1. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中,木耳屬2個種的2個菌株在its區表現出較高的保守性, 4種限制型內切酶的酶切圖譜沒有顯示出多態性;增加內切酶種類及供試菌株量,有可能獲得具有多態性的限制性內切酶酶切圖譜; 9本實驗中, its區的真菌特異性引物與真核生物通用引物于擴增效果無較大差異,擴增片段長度均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現的分子生物學分類法,兩者的關系是成,互為驗證
  2. Taking a view of pure time field, this paper presents dissolvable signals and basic concepts of sampling ; and also gives the very condition of discrete of signal ; this paper uses linear algebra to analysis this kind of signal and then gives some results and relevant deductions ; based on these results, 1 made a further step to analysis some typical band - limited signals in order to proof the coherence of my theory of dissolvable signal to the typical sampling theory ; i made some preliminary study about the feasibility of sampling and recovering of this kind of signal

    本文從純時角度出發,給出了可分解信號及其采樣的基本概念;也指出了信號可離散化的條件;利用線性理論給出了這類信號進行采樣的分析理論及應的推論;並用這些結論典型的帶限信號進行了分析,證明可分解信號采樣定理與經典采樣理論的一致性;初步探討了這類信號的實行采樣與恢復的工程實現問題。
  3. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區有更多的法向網格點;導出包含邊界鄰在內的完全四階精度的法向有限差分格式,這方程精確離散至關重要;採用全局法和局部法結合的方法及其新的迭公式,大大加速收斂並得到更精確的特徵值。
  4. Aim at ubiquitous parallel multi - reservoir structure in our country ' s basin, the universal objective function including coefficient bi embodying a spatial significance difference at different flood control points and variable ai denoting a selection of scheduling mode is established, which provide a valid intervenor interface for flood control consultation decision. according to the real - time requirement, a model of reservoir storage allocation is proposed, which embody basic idea of phasic compensation. passing the dynamic correction to cut down the disadvantageous influence that indetermination result in on the certain degree, joining together the step alternation solving method, this model can maximally consider bias of decision makers, ensure the rationality and practicability of the solutions

    我國流中普遍存在的並聯庫群結構,論文提出包含不同防洪點重要性的系_ i和選擇調度模式的變量_ i的通用目標函,為防洪會商決策,提供了有效的人工干預介面,根據實時性要求提出動態分配防洪庫容的庫容分配方法,體現了機補償的基本思想,通過動態修正在一定程度上可以削減不確定性造成的不利影響,結合分步迭求解技術,能最大限度體現決策者的偏好,保障解的合理性和可操作性。
  5. The results shows that the community richness, species diversity indices and evenness of tree layer and shrub layer share the same order, of which is higher in pure limestone region than that of in pure dolomite region, but it reverse in herb layer ; the coefficient of similarity is considerably low between all plots, while species turnover rate is quite high among the plots and is higher in dolomite region than that of in limestone ; in different karst regions, karst processing leads to niches diversity characterized by special morphologies and special element geochamical features, and therefore affect the dynamic and features of plant communities

    我們在最有表性之一的貴州茂蘭喀斯特森林保護區選取純灰巖和純白雲巖兩種巖性的喀斯特環境,其元素地球化學特徵及其中原生性植物群落的異性和物種多樣性進行了比,結果發現:不同巖性區多樣性:喬木層和灌木層為純灰巖區純白雲巖區,草本層為純白雲巖區純灰巖區,總體上純灰巖區的高於純白雲巖區的;各樣地間的似性系都很低,同巖性類型內的明顯高於不同巖性類型之間的似度;物種周轉率高,且白雲巖區高於石灰巖區,種類組成差異明顯;喀斯特區可溶巖地球化學背景通過喀斯特作用導致特殊的地形條件與元素地球化學特徵,並引起局部小生境的分異從而影響植物群落特徵。
  6. Under the condition of " comparatively weak correlation between the two noises involved, coherence function is used as a frequency domain amplification factor for improving snr of the output signal to the filter and the speech enhancement effect. meanwhile, a real - time recursive algorithm is put forward in substitute for current algorithms based on short time fourier transform. the new algorithm will simplify computations and will be suited for real - time implementation together with the adaptive systems

    接著針上述nanc系統兩路輸入信號噪聲關性弱的情況,用干函作頻增益因子來提高輸出信噪比與改善語音增強效果,同時,通過一種實時迭演算法解決了短時傅氏變換計算量大的問題,簡化了計算,便於實時處理與實際應用。
  7. The variational trait of the first temporal coefficient is that the coefficient is often positive in 1960s, often negative in 1970s, the break point often happen in 1960s and 1970s, especialy 1970s ; the fluctuate of the second temporal coefficient of year. spring and autumn appears little change, but appears much change of summer and winter, the break point often happen in 1980s and 1990s, specially 1980s ; the change trend of the third temporal coefficient is not obvious during 1961 to 2000, only appears clear raise in the anaphase 1990s ; it is difficult to detail the positive and negative trend of the fourth temporal coefficient, the situation of the coefficient appears alternant change of positive value and negative value, the break points happen concentratively in 1990s, the situation of the fifth temporal coefficient is like the fourth ' s ; the alternate of positive value and negative value of the sixth temporal coefficient is obvious, then the negative trend take advantage after 1990s, the distribution of the break point is even, but most of them still in 1990s ; the break points happen many times, but it is limited that the break points attain 0. 05 significance test

    第一時間系變化大體有如下特點:年和季節來說, 60年多表現為正值, 70年多表現為負值,突變點多發生於60 、 70年,特別是60年;第二時間系在年、春季、秋季表現為波動很小,夏季和冬季則很大,突變點多發生於80 、 90年,特別是80年;第三時間系正負變化趨勢不明顯,只是90年後期在年和夏季降水中升高明顯;第四時間系基本無明顯正負趨勢可言,只是正負交替出現,突變點集中出現在90年;同第四時間系似,第五時間系亦無明顯正負趨勢,突變點多出現在90年;第六時間系正負交替明顯,進入叨年后負趨勢為主,突變點分佈較均勻,但仍以904atvjz多;突變點出良多,但突變區艾擇no 05 ggrr著性以上的卻有限。
  8. Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other

    文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區差異衡量指標體系,在此基礎上,藉助spss統計分析軟體,運用主成分分析法,湖南省14個市州經濟發展綜合水平的差異狀況進行了研究,結果表明:長沙市的經濟發展綜合水平在14個市州中遙遙領先,反映了湖南省經濟發展空間結構的「單極主導」特徵;通過計算人均gdp的標準差和標準差系,研究區經濟差異的總體水平及區經濟不平衡發展的演變趨勢,發現90年以來湖南省各市州人均gdp的絕差異和差異都在逐年擴大,其中絕差異隨年份直線上升,且這種差異擴大的趨勢在短期內難以改變;通過計算各市州人均gdp與全省人均gdp的離差和比率、各市州發展速度的差異及產業結構的差異,認為湖南省區經濟差異的空間特徵是:湘東京廣沿線地區基礎較好,發展較快,湘西地區發展緩慢,地區差異不斷擴大;通過以縣為象的差異研究發現在湘東湘西差異的大背景上還有核心區與邊緣區的差異,它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層差異特徵,最落後的縣分佈於湘西、湘南、湘
  9. Rapd ( random amplified polymorphic dna ), which bases on the polymerase chain reaction ( pcr ), is by far one of the most commonly molecular techniques to uncover dna sequence polymorphisms. the basic priciple of this technique is that an arbitrary primer ( usually lobp oligonudetide ) is used to amplify random segments of dna, and a small number of fragments will be amplified when the primer anneals on each strand over a length range. if sequence variation is present at the priming site, then a fragment may not be amplied, so the dna polymorphic can be detected

    Rapd (隨機擴增多態性dna )技術是二十世紀90年發展起來的一項dna分子多態性檢測技術,它建立於聚合酶鏈式反應( pcr )技術基礎之上,利用隨機合成的寡聚核苷酸序列為引物(一般為10個bp ) ,分別與dna的兩條單鏈結合,在dna聚合酶的作用下,基因組的特定區進行pcr擴增,其電泳結果為不同大小和目的dna譜帶即rapd圖譜,可反映基因組應區的dna多態性。
  10. Abstract : a noise model for the analog correlator used in the ultra wideband receivers is proposed due to lack of simulation capability on noise performance of the correlator in current eda tools. the analog correlator circuit is divided into several parts to calculate the equivalent noise sources respectively. the ideal impulse generators, instead of the noise sources, are then applied to obtain the time varying transfer functions. fourier transforms are carried out to explore the relationship between the noise input and output in frequency domain for each part. then the symmetrical noise sources are grouped together and the periodicity of the circuit is utilized to further simplify the model. this model can be used to evaluate noise performance of the correlator

    文摘:給出了分析模擬關器的噪聲模型.將關器分成不同的幾個子模塊后,各模塊分別計算等效噪聲源.然後用理想脈沖源替噪聲源計算電路的時變傳輸函,接著用傅里葉變換計算輸入輸出的頻關系.利用電路的稱結構合併稱的子模塊可以進一步簡化模型.該模型可以用來估計關器的噪聲性能
  11. In this dissertation, the research trends for the problem have been introduced ; the ‘ dim ’ and ‘ point ’ has been strictly defined in mathematics from machine vision and human vision ; the ideal clutter suppression system based on clutter predication and the realization and evaluation of evaluation index has been studied, in succession the clutter suppression technologies have been researched. firstly, the classic nonparametric algorithm has been analyzed in detail and systematically, for it ’ s weakness that it cannot remove the non - stationary clutter ideally, kalman filter algorithm for clutter suppression in 2d image signal has been built. secondly, fast adaptive kalman filter is presented based on fast wide - sense stationary areas partition algorithm : limited combination and division algorithm based on quarti - tree algorithm, new taxis filter route algorithm which can break through the limitation of the necessity of pixel neighborhood of 2d filter and laplace data model with two parameters which is perfectly suitable for the residual image of kalman clutter suppression

    首先分析了經典的非參法,於四種具有表性的核,從前述的三個性能評價方面做了分析和比,指出了其速度快的優點和非平穩圖像適應性差的弱點,針非參法的弱點,重點研究了非平穩圖像適應良好的卡爾曼雜波抑制技術:建立了非平穩圖像的類自回歸模型,在此基礎上建立了二維卡爾曼濾波基礎的兩個方程:狀態方程和測量方程;建立了非平穩圖像準平穩區快速劃分演算法:基於四叉樹法的有限分裂合併演算法;二維空間的基於k排序的濾波路線演算法,突破了空濾波路線上區鄰的限制;在這些研究的基礎上實現了快速卡爾曼估計,實驗驗證了該方法逐點卡爾曼估計可以提高運算速度三倍左右;雜波抑制結果表明傳統的高斯性檢驗並不適合卡爾曼估計后的殘余圖像,由此建立了殘余圖像的雙參拉普拉斯模型,實驗表明其可以完好的吻合殘余圖像的概率密度曲線。
  12. Over the past few years, investigators from a variety of fields have discovered that many networks ? from the world wide web to a cell ' s metabolic system to actors in hollywood ? are dominated by a relatively small number of nodes that are connected to many other sites

    各領的研究人員在過去幾年中發現,許多網路都是由幾個具有眾多連結的節點所控制,包括全球資訊網、細胞謝系統,以及好萊塢的演員在內。
  13. Pattern recognition and fault diagnosis based on the rough sets theory and neural networks is studied in this dissertation. rough set theory in the noise environment and in the real region is generalized, and as the sametime, the methods of combine rough set theory with neural networks are proposed. the main contents of the dissertation are organized as follow : at first, a relation of nearness instead of indiscernibility is proposed for increasing the robustness of decision system which consists of noise pollution data

    論文運用粗糙集理論與神經網路方法進行了模式識別和故障診斷方面的研究,在噪聲下和實的粗糙集模型進行了擴展,研究了粗糙集與神經網路的多種集成應用方法,全文的主要內容如下:首先,論文針經典粗糙集理論中的不可分辨關系連續屬性值中噪聲據缺乏容錯性的情況,提出一種近關系替不可分辨關系,並用不同的值調節近關系中可接受的近程度,限制了可冗餘的范圍。
  14. The optimum decoding algorithm - map algorithm and its improved algorithm in logarithm domain used in turbo codes were derived, combining them with the stop criteria of iteration hi realization of decoding, an improved algorithm using fading factor was introduced

    推導了turbo碼的最優譯碼演算法? ? map演算法及其在中的關改進演算法,並結合譯碼實現的迭停止準則,提出了一種應用了衰減因子的改進譯碼演算法。
  15. Secondly, the thesis horizontally compares and analyzes the differences, advantages and disadvantages between the two country ' s mathematics curriculum syllabus from three fields, namely, " space and shape ", " number and algebra " and " data analysis and probability " taking the content standards of junior secondary school of two country ' s mathematics curriculum standards for example, and then put forward some suggestions and measures for our country ' s mathematics curriculum reform

    第二部分,以中、美兩國初中學段學課程標準中的內容標準為切入點,分別從「空間與圖形」 、 「」和「概率與統計」這三個領兩國標準的異同點、優勢與劣勢進行了橫向上的比較研究,在此基礎上,針中國的學課程改革,結合不同的內容標準分別提出了應的建議,同時給出了具體的解決措施。
  16. Pattern recognization of topographic map presents development tendence and forehead in map - made field for a number of pattern recognizationg, map - made and geographic information system ( gis ) have been studied. paper ' s map will be long time to apply to gis in information science and date source. at present, as an important component of information science and information manufacture. gis have alreadly been payed a great attention to for many countries and achieved high - speed development

    本文通過模式識別、地圖制圖以及地理信息系統等大量資料的學習研究,認為地形圖模式識別是表當前地圖制圖領發展的前沿和主攻方向,而紙質地圖將在當長的時期內仍是地理信息系統的信息和據來源。
  17. Currently most works on pc employ the sensitivities of the stability energy margin to the generator power injections, which exist some disadvantages and the cause of potential divergence in computation are analyzed. the amount of pre - assigned harmful contingencies in large power systems is a real chanllenge for pc. in this thesis, it is settled soundly through grouping these contingencies into some subsets according to each unstable mode ( um ) provided by eeac, and identifying the worst contingency among each subset by stability energy margin provided also by eeac

    預防控制研究大多基於控制參于系統暫態穩定裕度的靈敏度系,本文分析了此類方法存在的不足和可能迭不收斂的原因;依據eeac的暫穩裕度量化指標和失穩模式概念,解決了起關鍵作用的暫穩約束的識別問題,克服了當前該領中僅能研究小規模系統和或少量預想事故約束的局限。
  18. The authentication is done using standard token sharing protocol of gss ( generic security service ) while authorization is done by simply looking for the client ' s dn in the database, then return a limited proxy certificate, which embeds the security policies relating with the requesting user in the virtual organization. ldap stores contents about certificate authority, object policy and locality information and so on. aces enhances the resource severs and enables them to recognize the access control policies embedded in the proxy certificates, and implements the fine - grained access control through combining its own policies with

    訪問控制決策子系統接受它所管轄的虛擬內用戶的請求,利用gss ( genericsecurityservice )標準令牌交換協議互驗證身份后,通過查詢據庫得到用戶關的授權策略,並把授權策略寫入到理證書中,返回給請求用戶; ldap目錄服務器儲存了ca證書、資源策略和位置信息等;訪問控制實施子系統通過應用程序授權部分進行擴展,使其支持嵌入在理證書中的授權策略,並結合本地的安全策略做出最終決策。
  19. In order to ensure the lowest cost, using the methods of the plant management and operational research theory realize the maintenance according to the classification of the plant. because of the data which associated with the classification, optimized maintenance cycle, maintenance decision is very much, we must setup the plant maintenance decision support system which includes knowledge database, database, model database, and reasoning mechanism based on the using of the modern information analysis and collection of the experience and knowledge of the experts

    由於設備分類、最佳維修周期求解或預測、決策分析處理,都將涉及大量復雜的信息,要想從中獲取實施維修有指導意義的結論,仍採用老式的經驗判斷是不夠的,必須利用現的信息分析、處理及推理方法,廣泛收集該領專家的經驗、知識,建立應的知識庫、據庫、模型庫、推理機等,藉助計算機完成設備的綜合維修決策,實現這一系統具有真正價值的維修指導。
  20. In this paper, how to evolve the action component part of struts framework into black - box framework using java reflection and program generator respectively is discussed, taking the adding, deleting, modifying in a database in struts + ejb - kiatabase three layers architecture as an example. i first present a white - box framework based implementaion that adding, deleting, modifying a database, then how to evolve the action component part of struts framework into black - box framework using java reflection and program generator respectively in the target domain is discussed, thereby all these operations can implement without programmingjust config in a xml file, reach the objective of reducing the duplicate codes, improving the maintainability, cutting down the cost of developing applications

    首先給出了基於白盒struts框架的據庫表的增、刪、改操作的一個實現,然後分別採用反射機制和程序生成器技術將struts框架的action組件部分在這一目標領里進化為黑盒框架,從而使所有據庫的增、刪、改不再需要編程,只需在xml文件中進行應配置即可,達到減少重復碼的量,提高程序的可維護性,降低開發成本的目的。
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