比推定量 的英文怎麼說
中文拼音 [bǐtuīdìngliáng]
比推定量
英文
ratio estimate-
It further discusses the operation mechanism of the system of agrotechnical diffusion and indicates that the essence of technical diffusion is information diffusion, and the system depends on the course which information flows from the fountainhead to the receivers. and it analyzed the ingredients which influence the information flowing in the system. intruding shannon ’ s information
進一步探討了農業技術擴散系統的運行機制，並指出，技術擴散實質是信息的傳播，是建立在信息從信息源到接收者之間的流動過程，對技術推廣系統中影響信息流動的因素進行分析，引入shannon的信息熵計算方法，對信息接受者的信息接收含量進行測度，通過對所得的數值進行比較，運用定量與定性分析相結合的方法證明技術推廣活動的效率。On the stage of describing the shape of airplane and extracting feature, we derive five - coplanar - point invariant from the basic projective invariant - cross ratio, and resolve the problem of stabilization of five - coplanar - point when there is three points are nearly collinear
在對飛機外型提取特徵進行描述的階段，首先從基本的射影不變量交比不變量出發，推導出了平面五點不量，並解決了當有三點接近共線時不變量不穩定的問題。Plant endemism is the key problem in floristic study. analysis of endemism in a flora has significant implications in demonstrating floristic richness and diversity, the relationship between plants and their environment, and also in conserving biodiversity of the flora. in view of the situation that most of the past studies on endemism were qualitative, this study is the first tentative approach to the introduction of quantitative indices to the analysis of floristic endemism, with an purpose to push the study of endemism from qualitative to quantitative. four quantitative indices are introduced, i. e. level of endemism ( l ), coefficient of endemism ( c ), degree of endemism ( d ) and general index of endemism ( a ). mathematical formulae have been given to each of the above indices and explanations for them have been presented, and the scope of their use in floristic studies has been delimited and exemplified in this paper. the result shows that they are of good applicability. the proposed indices embody full information of plant systematics and plant geography. with the aid of qualitative analysis, the application of the proposed indices will improve the comparability and precision of endemism study in floristics
過去有關特有現象的研究主要限於定性的分析，可比性和精確性較差.該文嘗試引入特有現象的定量化指標，以推動特有現象的分析研究從定性水平向定量水平邁進.所引入的4種定量化指標分別是：特有水平、特有系數、特有度以及特有綜合指數.對每種量化指標都給出了數學表達式，說明了其區系學意義，例證和界定了這些指標在植物區系分析中的應用，結果表明，它們有良好的適用性.這些指標充分地包含了植物系統學和植物區系學的信息.結合定性分析，這些指標的應用將增強植物區系研究的可比性，使植物區系特有現象的分析達到更精確的水平Using french chalk which was dried by the 120 air as the normal air model, the quality which the fabric contains particle can be test. considering the fabric ' s reusing, the author has washed the fabric in many ways and compared the washed and unwashed fabrics " purifying performance testing datas. through putting the fabric on the home air condition, the author analysed the effect to the air condition ' s runing and purifying performance
為了將高效濾料進一步推廣使用，本文通過試驗，得到過濾速度和定量對過濾材料過濾性能的影響；利用120的高溫烘乾過的滑石粉作為塵源，試驗得到該濾料的容塵量；考慮到濾料的重復使用問題，對濾料進行清洗處理，比較處理前後濾料的過濾性能測試結果，看能否對濾料進行清洗。Abstract : in this study distributions of block compression force on the driving and driven pulleys were measured using a ting load - cell inserted between two blocks and a telementer system, under several constant speed ratios
文摘:本研究採用超小型測力儀插入兩推塊和遙測裝置之間在幾種固定速比下測量主動和從動帶輪上推塊壓縮力分佈。On this base, a more precise volume model of concrete is established and one conception of dry mortar volume is brought forward. at the same time the author absorbed the concept of the best ratio between paste and aggregates and used mathematical method to induce the formulas of water content and ratio between fine aggregate and coarse aggregate in concrete : ratio between fine aggregate and coarse aggregate : if the two formulas are connected with the classical rule of water cementitious materials ratio ( bolmy formula ), the contents of all materials in concrete can be determined completely by calculation and overall calculation proportioning is realized
在此基礎上建立了普遍適用的更精確的混凝土體積模型，提出了「干砂漿體積」概念，同時吸收國外關于最佳漿集比概念，用數學方法推導建立了混凝土用水量和砂率的計算公式：用水量公式：砂率公式：這兩個公式結合傳統的水膠比定則（保羅米公式） ，即可全面定量地確定混凝土的所有組成材料的用量，實現混凝土的全計算配合比設計。In our research, we use comparison, systematic method, inductive reasoning. we combine the theory with the practice, the quantitative analysis with the qualitative analysis, static analysis with dynamic analysis, questionnaire study with case study
我們研究的方法是比較分析法、系統科學法以及歸納與推理法，具體包括理論與實踐相結合、定性分析與定量分析相結合、靜態分析與動態分析相結合以及問卷調查與個案分析相結合。Use of time sequence method to predict the future growth trend of the fixed network telecom industry revenue ; contrasting the fixed telephone development of town and village, adopting logistic growth curve econometrics method to analyze three development stages of chinese village fixed telephone market ; draw a conclusion that the chinese village fixed telephone has a huge development potential ; and predict the development trend of village fixed network telecom in several years ; adopting logistic growth curve method to calculate and analyze internet business growth stage ; while studying internet development potential, we draw a conclusion that internet business also have a good growth foreground, and give a quantitative predict of internet industry development
運用時間序列外推法預測未來固網電信業收入增長趨勢;通過城鎮與農村固定電話發展對比，採用logistic成長曲線計量經濟方法分析了中國農村固定電話市場發展的三個階段，認為中國農村固定電話處于高速發展的中期，具很大的發展潛力，並定量預測出未來中國農村固話發展趨勢;在研究網際網路及寬帶接入業務發展潛力時，同樣採用logistic成長曲線計量方法，分析了網際網路業務成長階段，得出網際網路業務尤其是寬帶業務具有很好的增長前景的結論，並定量預測出未來網際網路業務、寬帶業務的增長趨勢。Base on the characteristics of industry, academe and research institutes, and base on the different degree of merging into an organic whole, cooperating with the model ' s integral analysis, the paper gives further illustration about enforcement tactics of model ' s development. set up specialized agencies to advance cooperation and make innovations ; set up several institutions which have some function like " incubator " and " digesting device " ; cooperating with the enforcement of " r & d ", qualitative & quantitative analysis should be used to carry on a comparable benefit analysis in order to coordinate the relationship between policy decision and interests
基於產學研各方的特點及結合程度之差異，配合模式的整體分析，進一步說明其發展的實施策略：建立專門機構，推進協調合作創新；建好一批「孵化器」和「消化器」 ；配合實施「 r & d 」 ，同時在實踐中要運用定量、定性相結合的方法來進行效益可比分析，以協助決策和利益關系協調。The first part is about the computing of crop water requirements ( or crop evapotranspiration ) and net irrigation requirements ( nir ) of ten crops in bojili irrigated district. then the traditional irrigation schedules of winter wheat and summer maize, which are the main crops in bojili, were evaluated with simulating model isareg. third, the field application efficiency in the experimental areas was evaluated from three methods
本文即是由灌區實測資料計算各種作物需水量，推求其凈灌溉需水量；然後通過模型檢驗現行作物灌溉制度是否具有合理性，並對田間灌溉系統進行評價，求其實際田間灌溉效率；最後由兩種不同灌溉制度方案的對比，確定試區合理的作物灌溉制度，在此基礎上求出各代表年的田間灌溉需水量和用水過程線。It includes 3d semantic space and constraining based problem - solving method. the 3d semantic space is built to represent the relationship between the describing semantic word and product color. then, the product color schemes with related abstract sense words is achieved and saved in database
首先採用定性和定量相結合的方法，比較各抽象語義詞匯對人心理感覺影響的差異，建立了抽象語言和色彩關聯的三維風格語義空間，為色彩信息的表示及推理奠定了基礎。Issuing to village the policy subsidying the small sum in interest an agricultural loan a valid path for always is academic circles with poor population in generally accepted the village of solution in government in all levels, promoting village developping, from current see theoretically, the small sum of the certain scope inside subsidying the interest lends money of issue, will promote the agriculture and the development of the village, increase poor and homely income in village level, but the small sum subsidying the loan of interest is can increase the income level of the peasant household, lend money a problem for increasing accepting together native average in circumstance increasing accepting sum comparing, result how, this is this text wanting resolving, this text pass to the inquisition of the loan peasant household, in collecting large quantity one hand material of foundation, is all each county downtown to is investigated the data proceeded to gather, statisticsing the contrast circumstance that loan an income change the circumstance and increase with native average the sum, the loan sum that will be investigated the peasant household, invest the realm proceeded the contrast, and borrow funds with the region not door of that year income increment the sum proceeded the comparison. use the different from lengthways the method research that compare investment in fixed amount realm, different loan sum, not the environmental loan in area in county door increases to accept sum and its correlations. come to explain the public finance subsidy the small sum in interest an agricultural loan an influence for to peasant household income, analyzing the small sum in policy an agricultural loan an influence for to increasing accepting the factor, discussing the policy stick the small sum in interest an agricultural loan a shortage for of policy blemish and managing top, combining domestic and international policy of now of combination an agricultural loan a policy for of policy with managing way, to small sum in policy in our country an agricultural loan style establishment and manage the mode put forward a little bit personal views, the writer thinks that develop the policy an agricultural loan a root for of a farming using is a financial environment of village to push forward financial system in village reform to reform with political setup, improve village finance serve, create a competition, norm, subsidying the interest the loan the solution limitedly not farmer of letter funds need problem
向農村發放政策性貼息小額支農貸款一直是學術界和各級政府比較公認的解決農村貧困人口，促進農村發展的有效途徑，從現有的理論上看，一定范圍內的小額貼息貸款的發放，會促進農業和農村的發展，提高農村貧困家庭的收入水平，而小額貼息貸款是不是能夠提高農戶的收入水平，貸款戶的增收情況同當地的平均增收額比較，效果怎樣，這是本文所要解決的問題，本文通過對貸款農戶的調查，在收集大量第一手材料的基礎上，將各縣市區所有被調查數據進行了匯總，統計出貸款戶收入變化情況以及與當地的平均增長額的對比情況，將被調查農戶的貸款額，投資領域進行了對比，並與當地非借款戶的當年收入增加額進行了比較。用定量比較和縱向比較的方法研究不同投資領域、不同貸款額、不縣域環境的貸款戶增收額及其相互關系。來說明財政貼息小額支農貸款對農戶收入的影響，分析政策性小額支農貸款對增收的影響因素，論述政策性貼息小額支農貸款的政策性缺陷及管理上的不足，並結合當今國內外政策性支農貸款的政策和管理方式，對我國政策性小額支農貸款的政策制定及管理模式提出了個人的一些見解，筆者認為發揮政策支農貸款的支農作用的根本是推進農村金融體制改革和政治體制改革，改善農村金融服務，創造一個競爭、規范的農村金融環境，有限的貼息貸款解決不了農民的信貸資金需求問題。Using this expression to calculate the optimum rare - earths oxides ( nd2o3, ceo2 and la2o3 ) content of zinc oxide varistor, the quantitative calculation results are in accordance with the experimental results approximately. the double shottky potentical barrier was showed in form of catoon using flash, from which we can comprehend the conduction theory of zinc oxide varistor. the electrical properties of varistor can be improved depend on it
運用固體物理、半導體和電子薄膜材料的相關理論，建立數學模型，推導出了最佳摻雜含量的理論計算式，並將之推廣到高溫燒結的氧化鋅壓敏陶瓷材料，運用這一計算式定量計算ndzo3 、 ceoz和lazo3等稀土摻雜的最佳含量，計算結果與本文的實驗結果比較符合。By employing a method of combining narration with argumentation, logical inference with comparative analysis and qualitative analysis with quantitative analysis, by taking the standpoint of historical materialism and based on interdisciplinary application of such economic principles as comparative cost theory and international relation theories, the present paper intends to make a breakthrough in the traditional theoretical framework of oil security and probe into the issue of oil in the middle east and china ' s oil security in some way
本文採用敘述與議論相結合，邏輯推理與比較分析並舉，定性分析與定量界定相結合的方法。堅持歷史唯物主義的基本立場，以比較成本理論等經濟學原理與國際關系理論的交叉運用為理論基礎，力求突破傳統石油安全理論的框架，對中東石油與中國的石油安全戰略進行一定程度的探討。On the basis of the deep study of the current studying situation of multi - wavelength fiber lasers and its tendency of development, we make clear the significance of the study of multi - wavelength fiber lasers and propose a novel multi - wavelength erbium - doped fiber ring laser at room temperature. in this thesis, firstly, with the rate equation theory, we use analytical methods to deduce the relationships of the lasing wavelength and output power vs erbium - doped fiber length, coupler ratio and intracavity losses. the experimental results show a good agreement with the calculated values
本文首先從速率方程理論出發，利用解析的方法推導出摻鉺光纖激光器輸出特性參數與摻鉺光纖和耦合器參數之間的定量關系， （如，激光輸出功率、波長與摻鉺光纖的長度、摻雜濃度、耦合器耦合比及腔的損耗等參數之間的關系） ；並從實驗上加以分析討論，實驗結論與理論值相吻合；利用改變耦合器的耦合比獲得了幾個nm的波長調諧。In view of the research situation of the technologic and economic evaluation on the constructed program of the pacific road " section in the no : 1 route of wuhan city ' s light rail transit at present, especially the researchment on the trend of the route, the paper discussed detail research of the constructing plans by using various theories of fundamental construction econnmics, etc, based on the the general urban constructing plan of wuhan, etc. the qualitative analysis method and the quantitative analysis method are connected to be applied into this paper for the research work
本文根據《武漢市城市總體規劃》 （ 1996 - 2020 ） ， 《城市快速軌道交通工程項目建設標準》 ， 《武漢市綜合交通規劃》 （ 1996 - 2020 ）以及運籌學、技術經濟學、投資管理學、基本建設經濟學等原理和相關理論，對武漢輕軌交通一號線太平洋路段這部分關鍵建設線路方案的比選進行了論述及細化研究。本文採用定性分析與定量分析相結合的方法，對軌道線網初始方案進行測試與調整；對多個線路走向的初始方案進行篩選，確定兩個備選方案，再對軌道交通線網優選方案進行綜合比選評價，最終得出軌道交通線網的推薦方案，增強了建設方案的科學性和合理性。This paper, guided by the marxism economic theory and combined the relevant knowledge of western economics and modern financial development, by adopting the complicated methods of theoretic and practical analysis, systematic and comparative analysis, quantitative and qualitative analysis, by focusing on the topic " financial development ", on the basis of combined judgement on the extent of the deepening of china " s finance, summarizes the contribution to the china " s economic development made by its financial development and the problems existed, and, according to the characteristics of the expansion in quantity on the china " s financial development in the past, puts up forward some constructive proposals on how to intensify our financial reform and push forward the financial development in the future
本文以馬克思主義經濟理論為指導，綜合運用西方經濟理論、現代金融發展理論的相關知識，採取理論分析與實證分析、系統分析與比較分析、定性分析與定量分析相結合的方法，緊緊圍繞「金融發展」這一主題，在對中國金融深化程度進行綜合判斷的基礎上，總結了改革開放以來中國金融發展對經濟發展作出的貢獻和存在的問題，並針對中國既往金融發展的數量擴張型特點，提出了未來我國深化金融改革，推動金融發展的相應政策與建議。This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively
本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ （ 60 ）粗品產率的影響；接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ （ 60 ）固體，比較了不同流動相和固定相的提純效率和效果；然後採用自己改進后的真空鍍膜機，利用電阻式加熱蒸鍍方法，得到了純c _ （ 60 ）薄膜和不同摻雜比的銀摻雜薄膜；探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響；最後通過xps ， afm ，紫外，紅外，拉曼對薄膜的成分、結構和特性作了定性和半定量分析。The estimation by the formula is unbiased and with the least variance, many data processing show, the application of the method can gain higher precision of concrete strength value of the formula than in traditional method
大量試驗數據處理表明，利用本文公式推定混凝土強度值比傳統方法具有更高的精度。According to the optional character of the technology innovative projects " investment, the thesis has investigated the choice and decision - making of these projects systemically with the real option theory. the main points of this thesis are as follows : firstly, it compares the similarity between real option of the technology innovative projects and option based on the summary of option pricing theory and systems analysis of these projects and their characters, which can be made as the theory and evidence of the real option approach to value these projects. secondly, based on the synthesized analysis of these projects " option, it sets up three models to value the different real option respectively in these projects such as the delaying option, growing option and multiple option
論文的主要工作有： 1 ）在概述期權定價法和系統分析技術創新項目及其實施過程特點的基礎上，比較了技術創新項目投資與金融期權投資的相似性，作為技術創新項目投資的實物期權評價法的理論與依據； 2 ）在綜合分析技術創新項目投資所具有期權的基礎上，分別建立了技術創新項目投資的延遲期權、增長期權和復合期權模型，並進行了相應的實證研究和比較研究； 3 ）對pindyck的期權定價模型進行了推廣和改進，利用模型探討了投資時機的選擇性及其對投資機會價值和投資決策的影響，並在此基礎上確定最優投資規則，為技術創新項目投資決策提供參考； 4 ）針對定量模型難以規避技術創新項目中組織風險的特點，進一步將定量模型和定性研究方法相結合，對技術創新項目投資評價的實物期權模型進行了改進，使得評價模型更合理。分享友人