theory n 中文意思是什麼

theory n 解釋
理論,學說,. . . 論,原理,意見,推測
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  • n : 1. 【羅馬數字】90〈N＝90000〉。2. 【化學】＝nitrogen. 3. ＝North（ern）。N ＝nuclear 核的：N-waste 核廢料。
  1. Classifying agricultural products according to resource intensity of, the research choused and analyzed representative products of different types. by measuring international competitiveness of china ' s agricultural products, the thesis anatomies their changing trend, and analyzes some products which have comparative advantage but have n ' t competitiveness in the practice. on the basis of this analysis, the thesis carries through theory and demonstration research from four aspects, factor, demand, trade bulwark and rivals, and analyzes the reasons why these products " competitiveness became lower

    研究通過對中國主要農產品的競爭力的測定，詳細剖析了我國近年來農產品競爭力的變動趨勢，對一些生產上具有比較優勢，而實際貿易中卻不具有競爭力的農產品進行了分析對比，在上述分析基礎上，研究將影響農產品國際競爭力的因素分為要素、需求、貿易壁壘和同業競爭四大類，並分別從各類因素入手進行理論和實證研究，分析這些農產品競爭力減弱或不具有競爭力的癥結所在。
  2. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心，氨基、二苯氨基和二乙氨基為電子給體，硝基為電子受體組合形成的分子為研究對象，在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度，重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明，分子長度與單光子吸收強度之間有密切關系，而在雙光子吸收中這種關系較弱；中心在雙光子吸收中具有重要的作用；在中心和受體一定的情況下，增加給體的供電子能力，可提高雙光子吸收強度。
  3. The classical frequency - domain theory forms a basis of bridge vibration analysis, however such method has some limitations. some literatures show that the time - domain analysis method has advantages for vibration analysis. because of the research on time - domain vibration analysis developed only in recent years and the theory is n ' t perfect enough, it needs to be made further investigation

    經典的簡化靜力法存在一定的局限性；反應譜法為中、小跨橋梁的抗震設計提供了廣泛的應用，但對解決大跨度橋梁的線性與非線性問題存在明顯不足；時程分析法由於該領域的研究起步較晚，目前的理論和方法還不甚成熟，有待于進一步深入研究。
  4. Part two introduces the theory of panel data. the basic form of panel data is : yi t = it + xi t it + uit, i = 1, 2, …, n ; t = 1, 2, …, t panel data is used for describing the instance of swatch in a collectivity in some time, and observing every unit in swatch multi - scale. basing on the different hypothesis of ui, panel data has fixed effect model and random effect model, if ui is a unit constant ( corresponding to the dummy variable of

    基於分析結果，本文給出了改革我國公司治理結構的若干建議: （ 1 ）股權性質方面，培育有效的國家股持股主體; （ 2 ）股權結構方面，逐漸調整股權結構，減少第一大股東持股比例，增加除第一大股東以外的大股東的股權集中度; （ 3 ）董事會方面，採取奇數型董事會規模，並完善獨立董事的生成機制; （ 4 ）激勵制度方面，應加大董事及總經理的持股比例。
  5. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體系，引入發展系數、協調系數、公平系數，以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數，提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究，論文根據生態適宜性理論，建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型，利用遙感技術成果以及植物生理需水的現場實驗數據，提出了乾旱區天然植被生態需水量計算方法。
  6. This method do n ' t adopt finite element and fluxion principle on theory, so it avoid some enormous and advantages resulted from traditional method

    這種方法在理論上不用有限元法以及流動法則理論，避免了傳統方法帶來的巨大困難及缺陷。
  7. Petrochina group has gradually formed an integrated reach and development system for more than 50 years, and taken the leading in the field of the petroleum science and technology in the world such as geology theory of land, oil and gas and bigger - scale non - equal gritstone oil field development, however, the technology gap is as a whole obvious compared with the overseas bigger - scale oil corporation and technology service corporation ; in addition, the current development & administration system ca n ' t meet the need of the development of the corporation

    中油集團經過50多年的發展，形成了完整的研究開發體系，在陸相油氣地質理論、大型非均質砂巖油田開發等多項石油科學技術方面居世界領先水平，但總體技術上與國外大油公司和技術服務公司相比還有很大差距，現有研究開發組織管理體系不能滿足公司發展的需要。
  8. After introducing the conventional edge detection operator and multiscale wavelet edge detection operator, we discussed the well quality of b - spline function > n - class derivative of gauss function n harmonic function and hermite function in wavelet theory and their concrete application in the image edge detection

    在對單尺度下的傳統邊緣檢測運算元和多尺度小波邊緣檢測運算元介紹的基礎上，討論了b樣條、 gauss函數的n階導數、諧波函數以及hermite函數在小波理論中所具有的良好性質，以及它們在圖像邊緣檢測中的具體應用。
  9. With economic development and histrionic fluxing, especially after world war two, some developing countries rapidly grew up and realized industrialization. gerchenkron ' s theory of " advantage of backwardness " ca n ' t explain completely the phenomena, being desiderated to be developed and completed

    隨著經濟發展和歷史變遷，尤其是二戰后，一批發展中國家迅速崛起並實現了工業化趕超，格申克龍「后發優勢說」不能完全解釋這些現象，亟待發展和完善。
  10. Some of the links are irrational and imperfective, and the exhortative mechanism does n ' t do much. the article is divided into two parts : the first part is to introduce the evolution, formation and measure of the human capital ' s theory

    本文內容分為兩部分，第一部分介紹人力資本理論的演變發展及人力資本的形成及測度，給出人力資本的基本特徵，並用數學模型說明人力資本投資的臨界點在於邊際收入等於邊際成本。
  11. But the restructure of the behavoralism and rational choice theory could n ' t resolve the inherence contradiction of political science

    但是，行為主義和理性選擇理論的這種替代並沒有能夠有效解決政治科學的內在問題。
  12. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種方法，建立了適合醇-羧酸等系列二元體系的單參數margules方程，本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸，並利用整個實驗數據對模型進行了檢驗，另外，本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測，通過與實驗數據進行比較，預測的低共熔溫度與實驗測定溫度較為吻合，其相對誤差為0 . 51 ，這將為快速獲取多元體系的相變材料提供預測方法。
  13. The journal of physiology, 1968, 195 : 215 - 243. 15 zhu s c, wu y n, mumford d b. frame : filters, random fields and maximum entropy - towards a unified theory for texture modeling

    對前一個問題，我們首先針對文檔圖像中的典型紋理模式，找到了一組最有代表性的濾波器和統計特徵，由此構成演算法所需的紋理特徵。
  14. Due to its comb i nat i on of theory and practice, ipo pricing has been widely regarded as a d i f f i cu 11 prob i em i n the f i e i d of f i nance

    新股發行定價因兼具理論性和操作性而成為金融領域公認的難題。在理論方面，存在各種相關理論和模型，在實踐中各國的市場環境又千差萬別。
  15. The limit theory of law of the iterated logarithm have received more and more attentions, especially about identical independent random variables. but up to now, the studies are only for partial sums and, have n ' t shown any concern on the special finite partial weight suras. however, the partial sums and partial weight sums not only have the osculating aspects, but also have essential difference between them. so the studies for these play an important role in theoretical and applied setups

    因此對重對數律的研究引起了國內外學者的興趣，對獨立同分佈的隨機變量，許多學者做了大量的研究工作，但迄今為止這方面的研究仍限於部分和數列的重對數律，很少涉及到特殊加權和的領域，而部分和與加權和之間既有密切聯系，又有本質不同，因此，這一問題的研究具有一定理論意義和應用價值。
  16. ( 3 ) the fact in china ca n ' t be explained by myers ' s pecking order theory

    （ 3 ）我國上市公司的融資現狀不能用梅耶斯的啄食順序理論來解釋。
  17. The designs of the pfd, digital filter ocxo and fractional - n counter in the frequency synthesizer unit are discussed, based on the pll theory. in order to improve the precision of pll, some design methods of pfd are given, and its feasibility is validated by the fpga hardware implement

    2 .在鎖相理論指導下，第三章討論了頻率合成器設計中的鑒頻鑒相器、數字濾波器、恆溫壓控振蕩器和分頻電路設計。為了進一步提高頻率合成的精度，文中給出了提高鑒頻鑒相器性能的一些設計思想，結合fpga的硬體設計驗證了其可行性。
  18. As 4ws system is a typical system with stochastic perturbations, which are from the road surface unevenness and side wind and ca n ' t be described by deterministic function, the probability and statistics theory must be used in such research

    由於汽車四輪轉向系統是典型的一個存在隨機擾動的系統，振源主要就是路面的不平度和地面的側風，這類擾動不能用確定性的時間或空間函數去描述，只能用概率統計的方法去研究。
  19. Having knowing mr zhuguangqian ' s theory about the beauty of chinese deeply, this paper points out that the aesthetic education of chinese must n ' t neglect the speech form, paying attention to digestion ; that literature is the best way to the aesthetic education of chinese

    在言語作品中，我們唯一可依憑的只有言語形式。要體會語文的美，我們必須抓住言語形式這一關鍵。本文深刻認識朱光潛先生關于語文之美的論述的基礎上，指出語文美育必須抓住言語形式，注重感悟；文學又是語文美育的最佳憑借
  20. Fractal character of fault surface is studied and analyzed with fractal theory n catastrophe theory and similar material modeling fem numerical simulation. at the same time the effect of fault surface on the failure regularity of rock masses is discussed. stress - strain distribution regularity of rock masses with different fractal fault in mining condition is analyzed

    本文運用分形、突變理論及相似材料模擬實驗、有限元數值計算等手段，研究、分析了斷層面的分形特徵，探討了斷層面的存在對于巖體移動規律的影響，分析了含有不同分形維數斷層面的煤巖體在采動條件下的應力應變分佈規律。
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