數學進展 的英文怎麼說
中文拼音 [shǔxuéjìnzhǎn]
數學進展
英文
advances in mathematics-
Because it is impossible to adjust the air bearing absolutely balance, the difference between mass center and rotation center must lead to a notable gravity disturbance torque. in the process of identification, modeling and identification of gravity disturbance torque is considered, and an extended kalman filter is educed for identifying air bearing inertia matrix and gravity disturbance torque, and then the algorithm is validated
由於氣浮臺平衡調試方法和手段的限制，實驗過程中氣浮臺質心與轉動中心有一定的位置偏差，必將導致較大的重力干擾力矩，在辨識演算法的推導過程中，重點考慮了重力干擾力矩的建模和參數辨識問題，推導了氣浮臺的轉動慣量和重力干擾力矩辨識的擴展卡爾曼濾波演算法，並對演算法進行了數學模擬和全物理模擬驗證。It is reviewed that the advances in research in fields of atmospheric dynamics, numerical weather fore - casting and climatology
摘要綜述了氣象學的三大領域大氣動力學、數值天氣預報和氣候學在20世紀的研究進展。This thesis analyzes the mutual, complemental and fit relationship between technology 、 the corporate supply chain and organizational structure of a corporation in a comparably systematic and complete way based on the mode of integrated management by reviewing, analyzing and summarizing relative references. based on practical definitions of the concepts and variables appearing in the analysis of the relationship, investigative papers have been designed and possible development situations of technology 、 the corporate supply chain and organizational structure of different enterprises have been described in the way of determining the nature. by the statistics and analyses of the investigative papers, relativity, with the method of multi - linearity - regress analysis, and by investigating enterprises " performance in different dimensions and establishing a math mode of the relationship between
本文在企業一體化管理模式的基礎上，通過文獻資料法對相關文獻進行回顧和總結分析，較系統和全面地論述了企業技術與組織結構、組織結構和供應鏈之間存在的互動、互補和匹配關系，對這一關系中的概念和變量進行操作化定義，設計出三者對應的指標體系的調查問卷，定性描述在不同企業的技術、組織結構和供應鏈的發展狀況，通過對調查所得問卷進行統計分析，運用相關性分析和多元線性回歸分析等方法，實證調查企業在不同維度狀態下的績效，建立企業技術、組織結構、供應鏈與企業的績效之間關系的數學模型，證明企業技術、組織結構、供應鏈和企業績效存在一定的相關性，企業技術、組織結構和供應鏈三者之間的匹配關系可以影響和預測企業的績效，只有當企業的各影響因素之間相互匹配的時候，企業整體運做的效率和效果將最好。Galileo strongly fought against the traditional ideas of the aristotle ' s theories, and he formed the thought of identity, continuance and dialectical materialism in course of his scientific research. he had written the book dialogue concerning the two chief world systems - ptolemaic and copernican to refute the theory that the earth was static, and push the copernicus " revolution forward by protecting and advocating the cosmic principle of copernicus ; he get many scientific theories by making a thorough study of motion, so provided the materials need of which newton was ; he applied the scientific method firstly in history of science which combined mathematical inference with experience and observation organically, and entrusted modern meaning to some old - time methods, so advanced the development of scientific knowledge greatly and began the history of modern physics
伽利略強烈反對亞里士多德式的傳統思維觀念，在長期深入的運動研究中發展了同一性和連續性思想，以及把物質性質劃分為兩類的機械唯物主義思想；他著書立說駁斥「地靜說」 ，捍衛和宣揚「地動日心」的宇宙結構，推動了「哥白尼革命」 ；他深入研究運動，獲得大量科學理論，為牛頓綜合提供了豐富的材料；他在科學史上首次使用數學演繹與觀察實驗有機結合的科學方法，並賦予一些古老研究方法以現代含義，大大推進了科學認識的發展，開創了現代物理學歷史。This paper researches diathermancy and fluidity of condenser, evaporator, compressor, and capillary in detail. maths models of condenser, evaporator, compressor, and capillary are established and model predigesting and modifying methods are done methods are given in this paper, which can transfer the practical system into the simulating system. in the basis of refrigerating system character, components models are modified in the system administrative levels
本文詳細研究了蒸發器、冷凝器、壓縮機和毛細管的傳熱特性和流動特性，建立和發展了蒸發器、冷凝器、壓縮機和毛細管數學模型，並進行了相應的模型簡化和修正方法研究，建立了從實際系統到模擬系統的轉換方法；本文針對各製冷系統的特點，在系統層次上進行了部件模型的修正研究，建立了相應的修正模型和演算法。The thesis centered on the topic. a fluid drive program of the sugarcane mill is made. it is a must to have the digital simulation study on the hydraulic system
本文圍繞研究課題，展開研究工作，制定了甘蔗壓榨機的液壓傳動系統方案，建立其數學模型，並對模型進行了靜、動態特性數字模擬研究。Secondly, the artificial neural networks and mixed evolutionary computation are employed into the mathematical simulation of complex geological structure, and with gis and visualization technique, the method of geological digital 3 - d modeling and visualization is presented. so, not only the functions of making geological section and querying spatial information could be achieved, but also the spatial distribution of geological structures and their complex relationship could be described visually. thereby an interactive and convenient way for engineering geological design could be actualized
（ 2 ）提出了復雜地質構造數學模擬的神經網路方法與混合進化方法，並利用gis技術和可視化技術，深入研究了數字地質三維建模及其可視化方法，實現了地質三維任意剖切、信息空間查詢與管理等功能，從而為直觀描述地質構造的空間展布及其相互間的復雜空間關系，以及快捷、交互地進行工程地質設計提供了新的途徑與手段。They helped mathematics make progress.
他們幫助數學取得進展。Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources
基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。The work of lambert, schweikart and taurinus constitutes advances in mathematics that warrant recapitulation.
Lambert，Schweikart和Taurinus的工作在數學上所得的進展是理應扼要介紹的。The work of lambert, schweikart and taurinus constitutes advances in mathematics that warrant recapitulation
Lambert ， schweikart和taurinus的工作在數學上所得的進展是理應扼要介紹的。Modeling : this thesis develops a method different from traditional techniques that begins with the cylindrical projection of a generic model and its seamless global texture map using multiresolution technique, and then automatically fit the unwrapped cylindrical projected mesh to the texture map with an improved algorithm that based on 2d morphing to specify corresponding feature points ( or lines ). finally, we propose a formula of inverse cylindrical projection to recompose the deformed mesh, and after the texture mapping a photo - realistic individual facial model is created
採用多解析度技術構造紋理無縫拼接圖，然後把三維網格模型投影到圓柱面上並展開，根據二維圖象變形技術中特徵點匹配演算法的數學思想，將匹配公式進行改進后應用於模型網格點的適配，在作了一定假設后推導出逆向圓柱映射的計算公式，再將適配后的柱面網格映射回去，最後進行紋理映射生成真實感的特定人臉的三維模型。The development course of mathematical conjecture is demonstrated from its definition, origination, categorical character, resolvent using a method of historical analysis, the conclusion shows that mathematical conjecture is a convenient scientific method and an important thought form. to sum up, the study and the settlement of mathematical conjecture not only richen mathematical theory, but creat a lot of new methods, furthermore, it promotes the research on mathematical methodology and advance a development of mathmatics itself
研究了數學猜想及其對數學發展的影響.採用歷史分析的方法，從數學猜想的定義、來源、提出方法、類型和解決的主要方法等方面論述了數學猜想的歷程和發展.數學猜想是數學研究的一種常用科學方法，又是數學發展的一種重要思維形式，研究和解決數學猜想，不但可以豐富數學理論，還會創造出許多新方法，促進數學方法論的研究和推動數學的發展This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。Some problems with regard to the development of urban public transportation are taken apart seriatim in the base of many internal and international research productions analysis, combining some actual employments in xi ' an urban public transportation, according to the basic idea of system engineering, using system analysis, system design and system decision - making technical method, cooperating theories and methods of some basic subjects such as economics, mathematics and operational research. favorable research productions are acquired and it can coach practice production
本文在分析大量國內外關于城市公共交通方面研究成果的基礎上，結合我們對西安城市公共交通做的許多實際工作，依據系統工程的基本思想，運用系統分析、系統設計和系統決策的技術方法，配合經濟學、數學、運籌學等基礎科學的理論和方法，對城市公共交通系統發展所涉及的問題進行了逐一剖析，取得了良好的研究成果，能真正指導實際生產。This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to
本文共分為五章：第一章緒論中，介紹了常見的位移傳感器，指出了霍爾傳感器的優良特性，提出了基本任務；第二章介紹了霍爾元件的基本工作原理；第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數常用的補償方法和霍爾元件的簡單應用；第四章介紹了反饋隨動機構的測量原理，系統的實現方法，給出了實驗結果，構建了數學模型，並對誤差進行了分析；第五章展望中指出了今後的發展方向。Based on the examination of the number theoretic backgrounds of gauss and hilbert and the relevant mathematical development in 19th century, a discovery is made by induction that the solvability and the scientific value of mathematical problems may change with time
運用歸納方法，通過對高斯、希爾伯特兩人數論背景的比較以及對19世紀相關數學進展的考察，得出數學問題在不同歷史時期可解性及科學價值會發生改變的結論。In the general objective of the curriculum, some of the old objective has been adjusted or deleted while some new added. in the curriculum content, some of the out - of - date or rather complicated content has been cut out or modified again, and some new have been offered which represent the latest achievement in mathematical research in modern times, while the organization form of curriculum content has been adjusted, too. in the content objective, the requirement level of the objective has been adjust universally, and some new types of the objective have been brough into
在課程目標方面， 《標準》補充、調整或刪除了一些目標；在課程內容方面，在對部分內容以及內容的組織編排方式進行重新處理的同時，刪除了一些陳舊的、繁雜的內容，補充了一些反映近現代數學發展的內容；在內容目標方面，補充了新的目標類型，大面積調整了目標的水平要求。See regulation ( ec ) no 460 / 2004 of the european parliament and of the council of 10 march 2004 establishing theeuropean network and information security agency
參見劉闖、王正興: 《美國全球變化數據共享的經歷對我國公益性科學數據共享決策的啟示》 ，載《地球科學進展》 2002年第1期第151 - 157頁Investigation and progression in antomated analyzer methodology of platelet counting
儀器計數血小板方法學進展分享友人